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Finding the Fourth Proportional to 7,522.01, 10,380.08 and 4,164.76

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Solution

The fourth proportional to 7,522.01, 10,380.08 and 4,164.76 is: 5,747.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,522.01 : 10,380.08 = 4,164.76 : x
  2. Step 2: Convert to fraction form
    7,522.01/10,380.08 = 4,164.76/x
  3. Step 3: Cross multiply
    7,522.01x = 10,380.08 × 4,164.76
  4. Step 4: Simplify right side
    7,522.01x = 43,230,469.26
  5. Step 5: Solve for x
    x = 43,230,469.26/7,522.01
  6. Step 6: Final answer
    x = 5,747.20

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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.