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Finding the Fourth Proportional to 8,901.72, 13,340.70 and 3,704.76

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Solution

The fourth proportional to 8,901.72, 13,340.70 and 3,704.76 is: 5,552.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901.72 : 13,340.70 = 3,704.76 : x
  2. Step 2: Convert to fraction form
    8,901.72/13,340.70 = 3,704.76/x
  3. Step 3: Cross multiply
    8,901.72x = 13,340.70 × 3,704.76
  4. Step 4: Simplify right side
    8,901.72x = 49,424,091.73
  5. Step 5: Solve for x
    x = 49,424,091.73/8,901.72
  6. Step 6: Final answer
    x = 5,552.20

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1.5x scale

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.