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Finding the Fourth Proportional to 57,195.72, 85,758.84 and 25,599.78

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Solution

The fourth proportional to 57,195.72, 85,758.84 and 25,599.78 is: 38,384.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,195.72 : 85,758.84 = 25,599.78 : x
  2. Step 2: Convert to fraction form
    57,195.72/85,758.84 = 25,599.78/x
  3. Step 3: Cross multiply
    57,195.72x = 85,758.84 × 25,599.78
  4. Step 4: Simplify right side
    57,195.72x = 2,195,407,437.06
  5. Step 5: Solve for x
    x = 2,195,407,437.06/57,195.72
  6. Step 6: Final answer
    x = 38,384.12

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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.