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Finding the Fourth Proportional to 27,696.62, 38,220.01 and 15,597.18

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Solution

The fourth proportional to 27,696.62, 38,220.01 and 15,597.18 is: 21,523.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,696.62 : 38,220.01 = 15,597.18 : x
  2. Step 2: Convert to fraction form
    27,696.62/38,220.01 = 15,597.18/x
  3. Step 3: Cross multiply
    27,696.62x = 38,220.01 × 15,597.18
  4. Step 4: Simplify right side
    27,696.62x = 596,124,375.57
  5. Step 5: Solve for x
    x = 596,124,375.57/27,696.62
  6. Step 6: Final answer
    x = 21,523.36

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Half scale
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Double scale
Find fourth proportional to 27,697.62, 38,221.39 and 15,598.18
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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.