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Finding the Fourth Proportional to 7,010.76, 10,520.76 and 3,726.24

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Solution

The fourth proportional to 7,010.76, 10,520.76 and 3,726.24 is: 5,591.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,010.76 : 10,520.76 = 3,726.24 : x
  2. Step 2: Convert to fraction form
    7,010.76/10,520.76 = 3,726.24/x
  3. Step 3: Cross multiply
    7,010.76x = 10,520.76 × 3,726.24
  4. Step 4: Simplify right side
    7,010.76x = 39,202,876.74
  5. Step 5: Solve for x
    x = 39,202,876.74/7,010.76
  6. Step 6: Final answer
    x = 5,591.82

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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.