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Finding the Fourth Proportional to 5,330.68, 7,996.04 and 1,867.12

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Solution

The fourth proportional to 5,330.68, 7,996.04 and 1,867.12 is: 2,800.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.68 : 7,996.04 = 1,867.12 : x
  2. Step 2: Convert to fraction form
    5,330.68/7,996.04 = 1,867.12/x
  3. Step 3: Cross multiply
    5,330.68x = 7,996.04 × 1,867.12
  4. Step 4: Simplify right side
    5,330.68x = 14,929,566.20
  5. Step 5: Solve for x
    x = 14,929,566.20/5,330.68
  6. Step 6: Final answer
    x = 2,800.69

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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.