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Finding the Fourth Proportional to 8,592.06, 12,888.09 and 2,749.13

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Solution

The fourth proportional to 8,592.06, 12,888.09 and 2,749.13 is: 4,123.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,592.06 : 12,888.09 = 2,749.13 : x
  2. Step 2: Convert to fraction form
    8,592.06/12,888.09 = 2,749.13/x
  3. Step 3: Cross multiply
    8,592.06x = 12,888.09 × 2,749.13
  4. Step 4: Simplify right side
    8,592.06x = 35,431,034.86
  5. Step 5: Solve for x
    x = 35,431,034.86/8,592.06
  6. Step 6: Final answer
    x = 4,123.70

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Half scale
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Double scale
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Similar ratio
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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.