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Finding the Fourth Proportional to 8,803.53, 12,148.92 and 5,265.86

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Solution

The fourth proportional to 8,803.53, 12,148.92 and 5,265.86 is: 7,266.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,803.53 : 12,148.92 = 5,265.86 : x
  2. Step 2: Convert to fraction form
    8,803.53/12,148.92 = 5,265.86/x
  3. Step 3: Cross multiply
    8,803.53x = 12,148.92 × 5,265.86
  4. Step 4: Simplify right side
    8,803.53x = 63,974,451.13
  5. Step 5: Solve for x
    x = 63,974,451.13/8,803.53
  6. Step 6: Final answer
    x = 7,266.91

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Why These Related Problems?

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