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Finding the Fourth Proportional to 13,232.43, 18,259.40 and 7,927.11

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Solution

The fourth proportional to 13,232.43, 18,259.40 and 7,927.11 is: 10,938.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,232.43 : 18,259.40 = 7,927.11 : x
  2. Step 2: Convert to fraction form
    13,232.43/18,259.40 = 7,927.11/x
  3. Step 3: Cross multiply
    13,232.43x = 18,259.40 × 7,927.11
  4. Step 4: Simplify right side
    13,232.43x = 144,744,232.70
  5. Step 5: Solve for x
    x = 144,744,232.70/13,232.43
  6. Step 6: Final answer
    x = 10,938.60

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Half scale
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Double scale
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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.