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Finding the Fourth Proportional to 18,184.74, 27,277.11 and 15,712.08

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Solution

The fourth proportional to 18,184.74, 27,277.11 and 15,712.08 is: 23,568.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,184.74 : 27,277.11 = 15,712.08 : x
  2. Step 2: Convert to fraction form
    18,184.74/27,277.11 = 15,712.08/x
  3. Step 3: Cross multiply
    18,184.74x = 27,277.11 × 15,712.08
  4. Step 4: Simplify right side
    18,184.74x = 428,580,134.49
  5. Step 5: Solve for x
    x = 428,580,134.49/18,184.74
  6. Step 6: Final answer
    x = 23,568.12

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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.