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Finding the Fourth Proportional to 18,557.65, 27,833.55 and 6,077.71

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Solution

The fourth proportional to 18,557.65, 27,833.55 and 6,077.71 is: 9,115.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,557.65 : 27,833.55 = 6,077.71 : x
  2. Step 2: Convert to fraction form
    18,557.65/27,833.55 = 6,077.71/x
  3. Step 3: Cross multiply
    18,557.65x = 27,833.55 × 6,077.71
  4. Step 4: Simplify right side
    18,557.65x = 169,164,245.17
  5. Step 5: Solve for x
    x = 169,164,245.17/18,557.65
  6. Step 6: Final answer
    x = 9,115.61

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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.