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Finding the Fourth Proportional to 8,061.70, 11,125.20 and 4,525.24

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Solution

The fourth proportional to 8,061.70, 11,125.20 and 4,525.24 is: 6,244.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,061.70 : 11,125.20 = 4,525.24 : x
  2. Step 2: Convert to fraction form
    8,061.70/11,125.20 = 4,525.24/x
  3. Step 3: Cross multiply
    8,061.70x = 11,125.20 × 4,525.24
  4. Step 4: Simplify right side
    8,061.70x = 50,344,200.05
  5. Step 5: Solve for x
    x = 50,344,200.05/8,061.70
  6. Step 6: Final answer
    x = 6,244.86

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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.