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Finding the Fourth Proportional to 57,701.70, 86,537.70 and 22,641.66

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Solution

The fourth proportional to 57,701.70, 86,537.70 and 22,641.66 is: 33,956.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,701.70 : 86,537.70 = 22,641.66 : x
  2. Step 2: Convert to fraction form
    57,701.70/86,537.70 = 22,641.66/x
  3. Step 3: Cross multiply
    57,701.70x = 86,537.70 × 22,641.66
  4. Step 4: Simplify right side
    57,701.70x = 1,959,357,180.58
  5. Step 5: Solve for x
    x = 1,959,357,180.58/57,701.70
  6. Step 6: Final answer
    x = 33,956.66

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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.