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Finding the Fourth Proportional to 62,681.97, 86,503.37 and 34,388.49

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Solution

The fourth proportional to 62,681.97, 86,503.37 and 34,388.49 is: 47,457.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,681.97 : 86,503.37 = 34,388.49 : x
  2. Step 2: Convert to fraction form
    62,681.97/86,503.37 = 34,388.49/x
  3. Step 3: Cross multiply
    62,681.97x = 86,503.37 × 34,388.49
  4. Step 4: Simplify right side
    62,681.97x = 2,974,720,274.21
  5. Step 5: Solve for x
    x = 2,974,720,274.21/62,681.97
  6. Step 6: Final answer
    x = 47,457.35

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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.