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Finding the Fourth Proportional to 62,582.07, 86,363.19 and 34,287.78

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Solution

The fourth proportional to 62,582.07, 86,363.19 and 34,287.78 is: 47,317.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,582.07 : 86,363.19 = 34,287.78 : x
  2. Step 2: Convert to fraction form
    62,582.07/86,363.19 = 34,287.78/x
  3. Step 3: Cross multiply
    62,582.07x = 86,363.19 × 34,287.78
  4. Step 4: Simplify right side
    62,582.07x = 2,961,202,058.82
  5. Step 5: Solve for x
    x = 2,961,202,058.82/62,582.07
  6. Step 6: Final answer
    x = 47,317.10

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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.