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Finding the Fourth Proportional to 9,034.68, 12,446.28 and 7,430.88

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Solution

The fourth proportional to 9,034.68, 12,446.28 and 7,430.88 is: 10,236.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,034.68 : 12,446.28 = 7,430.88 : x
  2. Step 2: Convert to fraction form
    9,034.68/12,446.28 = 7,430.88/x
  3. Step 3: Cross multiply
    9,034.68x = 12,446.28 × 7,430.88
  4. Step 4: Simplify right side
    9,034.68x = 92,486,813.13
  5. Step 5: Solve for x
    x = 92,486,813.13/9,034.68
  6. Step 6: Final answer
    x = 10,236.87

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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.