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Finding the Fourth Proportional to 16,752.13, 25,128.25 and 5,658.91

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Solution

The fourth proportional to 16,752.13, 25,128.25 and 5,658.91 is: 8,488.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,752.13 : 25,128.25 = 5,658.91 : x
  2. Step 2: Convert to fraction form
    16,752.13/25,128.25 = 5,658.91/x
  3. Step 3: Cross multiply
    16,752.13x = 25,128.25 × 5,658.91
  4. Step 4: Simplify right side
    16,752.13x = 142,198,428.24
  5. Step 5: Solve for x
    x = 142,198,428.24/16,752.13
  6. Step 6: Final answer
    x = 8,488.38

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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.