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Finding the Fourth Proportional to 57,232.70, 85,847.70 and 15,679.70

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Solution

The fourth proportional to 57,232.70, 85,847.70 and 15,679.70 is: 23,519.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,232.70 : 85,847.70 = 15,679.70 : x
  2. Step 2: Convert to fraction form
    57,232.70/85,847.70 = 15,679.70/x
  3. Step 3: Cross multiply
    57,232.70x = 85,847.70 × 15,679.70
  4. Step 4: Simplify right side
    57,232.70x = 1,346,066,181.69
  5. Step 5: Solve for x
    x = 1,346,066,181.69/57,232.70
  6. Step 6: Final answer
    x = 23,519.18

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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.