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Finding the Fourth Proportional to 57,191.40, 85,820.82 and 23,908.89

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Solution

The fourth proportional to 57,191.40, 85,820.82 and 23,908.89 is: 35,877.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,191.40 : 85,820.82 = 23,908.89 : x
  2. Step 2: Convert to fraction form
    57,191.40/85,820.82 = 23,908.89/x
  3. Step 3: Cross multiply
    57,191.40x = 85,820.82 × 23,908.89
  4. Step 4: Simplify right side
    57,191.40x = 2,051,880,545.09
  5. Step 5: Solve for x
    x = 2,051,880,545.09/57,191.40
  6. Step 6: Final answer
    x = 35,877.43

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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.