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Finding the Fourth Proportional to 15,471.84, 23,200.92 and 4,939.92

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Solution

The fourth proportional to 15,471.84, 23,200.92 and 4,939.92 is: 7,407.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,471.84 : 23,200.92 = 4,939.92 : x
  2. Step 2: Convert to fraction form
    15,471.84/23,200.92 = 4,939.92/x
  3. Step 3: Cross multiply
    15,471.84x = 23,200.92 × 4,939.92
  4. Step 4: Simplify right side
    15,471.84x = 114,610,688.73
  5. Step 5: Solve for x
    x = 114,610,688.73/15,471.84
  6. Step 6: Final answer
    x = 7,407.70

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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.