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Finding the Fourth Proportional to 27,672.70, 38,188.19 and 15,097.45

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Solution

The fourth proportional to 27,672.70, 38,188.19 and 15,097.45 is: 20,834.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,672.70 : 38,188.19 = 15,097.45 : x
  2. Step 2: Convert to fraction form
    27,672.70/38,188.19 = 15,097.45/x
  3. Step 3: Cross multiply
    27,672.70x = 38,188.19 × 15,097.45
  4. Step 4: Simplify right side
    27,672.70x = 576,544,098.17
  5. Step 5: Solve for x
    x = 576,544,098.17/27,672.70
  6. Step 6: Final answer
    x = 20,834.40

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Half scale
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Double scale
Find fourth proportional to 27,673.70, 38,189.57 and 15,098.45
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.