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Finding the Fourth Proportional to 9,240.84, 12,752.28 and 5,704.92

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Solution

The fourth proportional to 9,240.84, 12,752.28 and 5,704.92 is: 7,872.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240.84 : 12,752.28 = 5,704.92 : x
  2. Step 2: Convert to fraction form
    9,240.84/12,752.28 = 5,704.92/x
  3. Step 3: Cross multiply
    9,240.84x = 12,752.28 × 5,704.92
  4. Step 4: Simplify right side
    9,240.84x = 72,750,737.22
  5. Step 5: Solve for x
    x = 72,750,737.22/9,240.84
  6. Step 6: Final answer
    x = 7,872.74

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.