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Finding the Fourth Proportional to 57,169.59, 85,783.66 and 27,217.71

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Solution

The fourth proportional to 57,169.59, 85,783.66 and 27,217.71 is: 40,840.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,169.59 : 85,783.66 = 27,217.71 : x
  2. Step 2: Convert to fraction form
    57,169.59/85,783.66 = 27,217.71/x
  3. Step 3: Cross multiply
    57,169.59x = 85,783.66 × 27,217.71
  4. Step 4: Simplify right side
    57,169.59x = 2,334,834,644.53
  5. Step 5: Solve for x
    x = 2,334,834,644.53/57,169.59
  6. Step 6: Final answer
    x = 40,840.50

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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.