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Finding the Fourth Proportional to 73,045.29, 109,572.80 and 25,654.62

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Solution

The fourth proportional to 73,045.29, 109,572.80 and 25,654.62 is: 38,483.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,045.29 : 109,572.80 = 25,654.62 : x
  2. Step 2: Convert to fraction form
    73,045.29/109,572.80 = 25,654.62/x
  3. Step 3: Cross multiply
    73,045.29x = 109,572.80 × 25,654.62
  4. Step 4: Simplify right side
    73,045.29x = 2,811,048,973.27
  5. Step 5: Solve for x
    x = 2,811,048,973.27/73,045.29
  6. Step 6: Final answer
    x = 38,483.64

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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.