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Finding the Fourth Proportional to 28,772, 42,956.17 and 24,344.52

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Solution

The fourth proportional to 28,772, 42,956.17 and 24,344.52 is: 36,346.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,772 : 42,956.17 = 24,344.52 : x
  2. Step 2: Convert to fraction form
    28,772/42,956.17 = 24,344.52/x
  3. Step 3: Cross multiply
    28,772x = 42,956.17 × 24,344.52
  4. Step 4: Simplify right side
    28,772x = 1,045,747,339.69
  5. Step 5: Solve for x
    x = 1,045,747,339.69/28,772
  6. Step 6: Final answer
    x = 36,346.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.