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Finding the Fourth Proportional to 62,739.90, 86,543.02 and 37,229.45

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Solution

The fourth proportional to 62,739.90, 86,543.02 and 37,229.45 is: 51,354.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,739.90 : 86,543.02 = 37,229.45 : x
  2. Step 2: Convert to fraction form
    62,739.90/86,543.02 = 37,229.45/x
  3. Step 3: Cross multiply
    62,739.90x = 86,543.02 × 37,229.45
  4. Step 4: Simplify right side
    62,739.90x = 3,221,949,035.94
  5. Step 5: Solve for x
    x = 3,221,949,035.94/62,739.90
  6. Step 6: Final answer
    x = 51,354.07

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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.