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Finding the Fourth Proportional to 9,177.52, 12,666.04 and 8,614.54

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Solution

The fourth proportional to 9,177.52, 12,666.04 and 8,614.54 is: 11,889.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,177.52 : 12,666.04 = 8,614.54 : x
  2. Step 2: Convert to fraction form
    9,177.52/12,666.04 = 8,614.54/x
  3. Step 3: Cross multiply
    9,177.52x = 12,666.04 × 8,614.54
  4. Step 4: Simplify right side
    9,177.52x = 109,112,108.22
  5. Step 5: Solve for x
    x = 109,112,108.22/9,177.52
  6. Step 6: Final answer
    x = 11,889.06

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Similar ratio
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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.