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Finding the Fourth Proportional to 5,114.70, 7,672.05 and 4,337.10

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Solution

The fourth proportional to 5,114.70, 7,672.05 and 4,337.10 is: 6,505.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.70 : 7,672.05 = 4,337.10 : x
  2. Step 2: Convert to fraction form
    5,114.70/7,672.05 = 4,337.10/x
  3. Step 3: Cross multiply
    5,114.70x = 7,672.05 × 4,337.10
  4. Step 4: Simplify right side
    5,114.70x = 33,274,448.06
  5. Step 5: Solve for x
    x = 33,274,448.06/5,114.70
  6. Step 6: Final answer
    x = 6,505.65

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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.