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Finding the Fourth Proportional to 5,861.04, 8,791.56 and 1,478.76

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Solution

The fourth proportional to 5,861.04, 8,791.56 and 1,478.76 is: 2,218.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,861.04 : 8,791.56 = 1,478.76 : x
  2. Step 2: Convert to fraction form
    5,861.04/8,791.56 = 1,478.76/x
  3. Step 3: Cross multiply
    5,861.04x = 8,791.56 × 1,478.76
  4. Step 4: Simplify right side
    5,861.04x = 13,000,607.27
  5. Step 5: Solve for x
    x = 13,000,607.27/5,861.04
  6. Step 6: Final answer
    x = 2,218.14

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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.