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Finding the Fourth Proportional to 9,297.47, 13,947.93 and 5,555.78

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Solution

The fourth proportional to 9,297.47, 13,947.93 and 5,555.78 is: 8,334.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,297.47 : 13,947.93 = 5,555.78 : x
  2. Step 2: Convert to fraction form
    9,297.47/13,947.93 = 5,555.78/x
  3. Step 3: Cross multiply
    9,297.47x = 13,947.93 × 5,555.78
  4. Step 4: Simplify right side
    9,297.47x = 77,491,613.10
  5. Step 5: Solve for x
    x = 77,491,613.10/9,297.47
  6. Step 6: Final answer
    x = 8,334.70

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Similar ratio
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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.