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Finding the Fourth Proportional to 62,487.90, 86,233.07 and 33,807.64

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Solution

The fourth proportional to 62,487.90, 86,233.07 and 33,807.64 is: 46,654.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,487.90 : 86,233.07 = 33,807.64 : x
  2. Step 2: Convert to fraction form
    62,487.90/86,233.07 = 33,807.64/x
  3. Step 3: Cross multiply
    62,487.90x = 86,233.07 × 33,807.64
  4. Step 4: Simplify right side
    62,487.90x = 2,915,336,417.62
  5. Step 5: Solve for x
    x = 2,915,336,417.62/62,487.90
  6. Step 6: Final answer
    x = 46,654.42

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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.