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Finding the Fourth Proportional to 8,532.06, 12,811.98 and 5,265.92

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Solution

The fourth proportional to 8,532.06, 12,811.98 and 5,265.92 is: 7,907.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,532.06 : 12,811.98 = 5,265.92 : x
  2. Step 2: Convert to fraction form
    8,532.06/12,811.98 = 5,265.92/x
  3. Step 3: Cross multiply
    8,532.06x = 12,811.98 × 5,265.92
  4. Step 4: Simplify right side
    8,532.06x = 67,466,797.66
  5. Step 5: Solve for x
    x = 67,466,797.66/8,532.06
  6. Step 6: Final answer
    x = 7,907.45

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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.