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Finding the Fourth Proportional to 62,904.90, 86,798.88 and 36,042.24

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Solution

The fourth proportional to 62,904.90, 86,798.88 and 36,042.24 is: 49,732.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,904.90 : 86,798.88 = 36,042.24 : x
  2. Step 2: Convert to fraction form
    62,904.90/86,798.88 = 36,042.24/x
  3. Step 3: Cross multiply
    62,904.90x = 86,798.88 × 36,042.24
  4. Step 4: Simplify right side
    62,904.90x = 3,128,426,064.69
  5. Step 5: Solve for x
    x = 3,128,426,064.69/62,904.90
  6. Step 6: Final answer
    x = 49,732.63

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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.