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Finding the Fourth Proportional to 55,706.59, 83,553.94 and 15,724.59

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Solution

The fourth proportional to 55,706.59, 83,553.94 and 15,724.59 is: 23,585.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,706.59 : 83,553.94 = 15,724.59 : x
  2. Step 2: Convert to fraction form
    55,706.59/83,553.94 = 15,724.59/x
  3. Step 3: Cross multiply
    55,706.59x = 83,553.94 × 15,724.59
  4. Step 4: Simplify right side
    55,706.59x = 1,313,851,449.38
  5. Step 5: Solve for x
    x = 1,313,851,449.38/55,706.59
  6. Step 6: Final answer
    x = 23,585.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.