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Finding the Fourth Proportional to 16,761.96, 25,151.04 and 7,400.88

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Solution

The fourth proportional to 16,761.96, 25,151.04 and 7,400.88 is: 11,104.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,761.96 : 25,151.04 = 7,400.88 : x
  2. Step 2: Convert to fraction form
    16,761.96/25,151.04 = 7,400.88/x
  3. Step 3: Cross multiply
    16,761.96x = 25,151.04 × 7,400.88
  4. Step 4: Simplify right side
    16,761.96x = 186,139,828.92
  5. Step 5: Solve for x
    x = 186,139,828.92/16,761.96
  6. Step 6: Final answer
    x = 11,104.90

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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.