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Finding the Fourth Proportional to 10,704.60, 14,772.78 and 5,988.60

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Solution

The fourth proportional to 10,704.60, 14,772.78 and 5,988.60 is: 8,264.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,704.60 : 14,772.78 = 5,988.60 : x
  2. Step 2: Convert to fraction form
    10,704.60/14,772.78 = 5,988.60/x
  3. Step 3: Cross multiply
    10,704.60x = 14,772.78 × 5,988.60
  4. Step 4: Simplify right side
    10,704.60x = 88,468,270.31
  5. Step 5: Solve for x
    x = 88,468,270.31/10,704.60
  6. Step 6: Final answer
    x = 8,264.51

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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.