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Finding the Fourth Proportional to 62,340.38, 86,058.03 and 39,710.39

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Solution

The fourth proportional to 62,340.38, 86,058.03 and 39,710.39 is: 54,818.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,340.38 : 86,058.03 = 39,710.39 : x
  2. Step 2: Convert to fraction form
    62,340.38/86,058.03 = 39,710.39/x
  3. Step 3: Cross multiply
    62,340.38x = 86,058.03 × 39,710.39
  4. Step 4: Simplify right side
    62,340.38x = 3,417,397,503.64
  5. Step 5: Solve for x
    x = 3,417,397,503.64/62,340.38
  6. Step 6: Final answer
    x = 54,818.37

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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.