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Finding the Fourth Proportional to 14,761.88, 20,374.02 and 8,797

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Solution

The fourth proportional to 14,761.88, 20,374.02 and 8,797 is: 12,141.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,761.88 : 20,374.02 = 8,797 : x
  2. Step 2: Convert to fraction form
    14,761.88/20,374.02 = 8,797/x
  3. Step 3: Cross multiply
    14,761.88x = 20,374.02 × 8,797
  4. Step 4: Simplify right side
    14,761.88x = 179,230,253.94
  5. Step 5: Solve for x
    x = 179,230,253.94/14,761.88
  6. Step 6: Final answer
    x = 12,141.42

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1.5x scale

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.