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Finding the Fourth Proportional to 16,520.70, 24,748.65 and 9,927.30

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Solution

The fourth proportional to 16,520.70, 24,748.65 and 9,927.30 is: 14,871.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,520.70 : 24,748.65 = 9,927.30 : x
  2. Step 2: Convert to fraction form
    16,520.70/24,748.65 = 9,927.30/x
  3. Step 3: Cross multiply
    16,520.70x = 24,748.65 × 9,927.30
  4. Step 4: Simplify right side
    16,520.70x = 245,687,273.15
  5. Step 5: Solve for x
    x = 245,687,273.15/16,520.70
  6. Step 6: Final answer
    x = 14,871.48

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1.5x scale

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.