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Finding the Fourth Proportional to 62,607.83, 86,398.31 and 34,313.45

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Solution

The fourth proportional to 62,607.83, 86,398.31 and 34,313.45 is: 47,352.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,607.83 : 86,398.31 = 34,313.45 : x
  2. Step 2: Convert to fraction form
    62,607.83/86,398.31 = 34,313.45/x
  3. Step 3: Cross multiply
    62,607.83x = 86,398.31 × 34,313.45
  4. Step 4: Simplify right side
    62,607.83x = 2,964,623,744.06
  5. Step 5: Solve for x
    x = 2,964,623,744.06/62,607.83
  6. Step 6: Final answer
    x = 47,352.29

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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.