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Finding the Fourth Proportional to 18,407.08, 27,591.18 and 9,034.06

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Solution

The fourth proportional to 18,407.08, 27,591.18 and 9,034.06 is: 13,541.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,407.08 : 27,591.18 = 9,034.06 : x
  2. Step 2: Convert to fraction form
    18,407.08/27,591.18 = 9,034.06/x
  3. Step 3: Cross multiply
    18,407.08x = 27,591.18 × 9,034.06
  4. Step 4: Simplify right side
    18,407.08x = 249,260,375.59
  5. Step 5: Solve for x
    x = 249,260,375.59/18,407.08
  6. Step 6: Final answer
    x = 13,541.55

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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.