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Finding the Fourth Proportional to 7,134.76, 9,849.78 and 6,572.68

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Solution

The fourth proportional to 7,134.76, 9,849.78 and 6,572.68 is: 9,073.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134.76 : 9,849.78 = 6,572.68 : x
  2. Step 2: Convert to fraction form
    7,134.76/9,849.78 = 6,572.68/x
  3. Step 3: Cross multiply
    7,134.76x = 9,849.78 × 6,572.68
  4. Step 4: Simplify right side
    7,134.76x = 64,739,452.01
  5. Step 5: Solve for x
    x = 64,739,452.01/7,134.76
  6. Step 6: Final answer
    x = 9,073.81

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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.