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Finding the Fourth Proportional to 9,253.52, 12,773.14 and 5,478.02

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Solution

The fourth proportional to 9,253.52, 12,773.14 and 5,478.02 is: 7,561.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,253.52 : 12,773.14 = 5,478.02 : x
  2. Step 2: Convert to fraction form
    9,253.52/12,773.14 = 5,478.02/x
  3. Step 3: Cross multiply
    9,253.52x = 12,773.14 × 5,478.02
  4. Step 4: Simplify right side
    9,253.52x = 69,971,516.38
  5. Step 5: Solve for x
    x = 69,971,516.38/9,253.52
  6. Step 6: Final answer
    x = 7,561.61

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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.