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Finding the Fourth Proportional to 62,859.03, 86,746.95 and 34,564.71

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Solution

The fourth proportional to 62,859.03, 86,746.95 and 34,564.71 is: 47,700.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,859.03 : 86,746.95 = 34,564.71 : x
  2. Step 2: Convert to fraction form
    62,859.03/86,746.95 = 34,564.71/x
  3. Step 3: Cross multiply
    62,859.03x = 86,746.95 × 34,564.71
  4. Step 4: Simplify right side
    62,859.03x = 2,998,383,170.13
  5. Step 5: Solve for x
    x = 2,998,383,170.13/62,859.03
  6. Step 6: Final answer
    x = 47,700.12

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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.