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Finding the Fourth Proportional to 57,193.80, 85,790.70 and 17,754.90

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Solution

The fourth proportional to 57,193.80, 85,790.70 and 17,754.90 is: 26,632.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,193.80 : 85,790.70 = 17,754.90 : x
  2. Step 2: Convert to fraction form
    57,193.80/85,790.70 = 17,754.90/x
  3. Step 3: Cross multiply
    57,193.80x = 85,790.70 × 17,754.90
  4. Step 4: Simplify right side
    57,193.80x = 1,523,205,299.43
  5. Step 5: Solve for x
    x = 1,523,205,299.43/57,193.80
  6. Step 6: Final answer
    x = 26,632.35

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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.