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Finding the Fourth Proportional to 54,685.75, 82,009.82 and 26,587.71

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Solution

The fourth proportional to 54,685.75, 82,009.82 and 26,587.71 is: 39,872.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,685.75 : 82,009.82 = 26,587.71 : x
  2. Step 2: Convert to fraction form
    54,685.75/82,009.82 = 26,587.71/x
  3. Step 3: Cross multiply
    54,685.75x = 82,009.82 × 26,587.71
  4. Step 4: Simplify right side
    54,685.75x = 2,180,453,311.31
  5. Step 5: Solve for x
    x = 2,180,453,311.31/54,685.75
  6. Step 6: Final answer
    x = 39,872.42

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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.