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Finding the Fourth Proportional to 74,416.92, 111,616.55 and 24,484.64

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Solution

The fourth proportional to 74,416.92, 111,616.55 and 24,484.64 is: 36,724.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,416.92 : 111,616.55 = 24,484.64 : x
  2. Step 2: Convert to fraction form
    74,416.92/111,616.55 = 24,484.64/x
  3. Step 3: Cross multiply
    74,416.92x = 111,616.55 × 24,484.64
  4. Step 4: Simplify right side
    74,416.92x = 2,732,890,364.29
  5. Step 5: Solve for x
    x = 2,732,890,364.29/74,416.92
  6. Step 6: Final answer
    x = 36,724.05

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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.