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Finding the Fourth Proportional to 8,082.76, 11,151.80 and 4,897.24

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Solution

The fourth proportional to 8,082.76, 11,151.80 and 4,897.24 is: 6,756.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,082.76 : 11,151.80 = 4,897.24 : x
  2. Step 2: Convert to fraction form
    8,082.76/11,151.80 = 4,897.24/x
  3. Step 3: Cross multiply
    8,082.76x = 11,151.80 × 4,897.24
  4. Step 4: Simplify right side
    8,082.76x = 54,613,041.03
  5. Step 5: Solve for x
    x = 54,613,041.03/8,082.76
  6. Step 6: Final answer
    x = 6,756.73

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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.