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Finding the Fourth Proportional to 7,505.20, 10,301.69 and 7,184.44

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Solution

The fourth proportional to 7,505.20, 10,301.69 and 7,184.44 is: 9,861.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,505.20 : 10,301.69 = 7,184.44 : x
  2. Step 2: Convert to fraction form
    7,505.20/10,301.69 = 7,184.44/x
  3. Step 3: Cross multiply
    7,505.20x = 10,301.69 × 7,184.44
  4. Step 4: Simplify right side
    7,505.20x = 74,011,873.70
  5. Step 5: Solve for x
    x = 74,011,873.70/7,505.20
  6. Step 6: Final answer
    x = 9,861.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.