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Finding the Fourth Proportional to 28,931.52, 43,403.84 and 10,463.52

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Solution

The fourth proportional to 28,931.52, 43,403.84 and 10,463.52 is: 15,697.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,931.52 : 43,403.84 = 10,463.52 : x
  2. Step 2: Convert to fraction form
    28,931.52/43,403.84 = 10,463.52/x
  3. Step 3: Cross multiply
    28,931.52x = 43,403.84 × 10,463.52
  4. Step 4: Simplify right side
    28,931.52x = 454,156,947.92
  5. Step 5: Solve for x
    x = 454,156,947.92/28,931.52
  6. Step 6: Final answer
    x = 15,697.65

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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.