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Finding the Fourth Proportional to 7,060.91, 10,591.11 and 2,130.42

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Solution

The fourth proportional to 7,060.91, 10,591.11 and 2,130.42 is: 3,195.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,060.91 : 10,591.11 = 2,130.42 : x
  2. Step 2: Convert to fraction form
    7,060.91/10,591.11 = 2,130.42/x
  3. Step 3: Cross multiply
    7,060.91x = 10,591.11 × 2,130.42
  4. Step 4: Simplify right side
    7,060.91x = 22,563,552.28
  5. Step 5: Solve for x
    x = 22,563,552.28/7,060.91
  6. Step 6: Final answer
    x = 3,195.56

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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.