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Finding the Fourth Proportional to 62,748.48, 86,593.04 and 34,455.98

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Solution

The fourth proportional to 62,748.48, 86,593.04 and 34,455.98 is: 47,549.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,748.48 : 86,593.04 = 34,455.98 : x
  2. Step 2: Convert to fraction form
    62,748.48/86,593.04 = 34,455.98/x
  3. Step 3: Cross multiply
    62,748.48x = 86,593.04 × 34,455.98
  4. Step 4: Simplify right side
    62,748.48x = 2,983,648,054.38
  5. Step 5: Solve for x
    x = 2,983,648,054.38/62,748.48
  6. Step 6: Final answer
    x = 47,549.33

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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.