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Finding the Fourth Proportional to 18,534.08, 27,608.08 and 17,549.12

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Solution

The fourth proportional to 18,534.08, 27,608.08 and 17,549.12 is: 26,140.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,534.08 : 27,608.08 = 17,549.12 : x
  2. Step 2: Convert to fraction form
    18,534.08/27,608.08 = 17,549.12/x
  3. Step 3: Cross multiply
    18,534.08x = 27,608.08 × 17,549.12
  4. Step 4: Simplify right side
    18,534.08x = 484,497,508.89
  5. Step 5: Solve for x
    x = 484,497,508.89/18,534.08
  6. Step 6: Final answer
    x = 26,140.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.