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Finding the Fourth Proportional to 62,448.16, 86,073.49 and 47,335.99

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Solution

The fourth proportional to 62,448.16, 86,073.49 and 47,335.99 is: 65,244.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,448.16 : 86,073.49 = 47,335.99 : x
  2. Step 2: Convert to fraction form
    62,448.16/86,073.49 = 47,335.99/x
  3. Step 3: Cross multiply
    62,448.16x = 86,073.49 × 47,335.99
  4. Step 4: Simplify right side
    62,448.16x = 4,074,374,136.26
  5. Step 5: Solve for x
    x = 4,074,374,136.26/62,448.16
  6. Step 6: Final answer
    x = 65,244.10

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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.