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Finding the Fourth Proportional to 57,093.66, 85,641.57 and 15,540.66

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Solution

The fourth proportional to 57,093.66, 85,641.57 and 15,540.66 is: 23,311.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,093.66 : 85,641.57 = 15,540.66 : x
  2. Step 2: Convert to fraction form
    57,093.66/85,641.57 = 15,540.66/x
  3. Step 3: Cross multiply
    57,093.66x = 85,641.57 × 15,540.66
  4. Step 4: Simplify right side
    57,093.66x = 1,330,926,521.24
  5. Step 5: Solve for x
    x = 1,330,926,521.24/57,093.66
  6. Step 6: Final answer
    x = 23,311.28

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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.