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Finding the Fourth Proportional to 7,250.76, 9,992.03 and 5,151.24

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Solution

The fourth proportional to 7,250.76, 9,992.03 and 5,151.24 is: 7,098.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250.76 : 9,992.03 = 5,151.24 : x
  2. Step 2: Convert to fraction form
    7,250.76/9,992.03 = 5,151.24/x
  3. Step 3: Cross multiply
    7,250.76x = 9,992.03 × 5,151.24
  4. Step 4: Simplify right side
    7,250.76x = 51,471,294.66
  5. Step 5: Solve for x
    x = 51,471,294.66/7,250.76
  6. Step 6: Final answer
    x = 7,098.75

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Half scale
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Double scale
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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.