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Finding the Fourth Proportional to 55,116.59, 82,662.32 and 15,663.92

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Solution

The fourth proportional to 55,116.59, 82,662.32 and 15,663.92 is: 23,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,116.59 : 82,662.32 = 15,663.92 : x
  2. Step 2: Convert to fraction form
    55,116.59/82,662.32 = 15,663.92/x
  3. Step 3: Cross multiply
    55,116.59x = 82,662.32 × 15,663.92
  4. Step 4: Simplify right side
    55,116.59x = 1,294,815,593.34
  5. Step 5: Solve for x
    x = 1,294,815,593.34/55,116.59
  6. Step 6: Final answer
    x = 23,492.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.