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Finding the Fourth Proportional to 57,233.70, 85,850.55 and 15,113.70

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Solution

The fourth proportional to 57,233.70, 85,850.55 and 15,113.70 is: 22,670.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,233.70 : 85,850.55 = 15,113.70 : x
  2. Step 2: Convert to fraction form
    57,233.70/85,850.55 = 15,113.70/x
  3. Step 3: Cross multiply
    57,233.70x = 85,850.55 × 15,113.70
  4. Step 4: Simplify right side
    57,233.70x = 1,297,519,457.54
  5. Step 5: Solve for x
    x = 1,297,519,457.54/57,233.70
  6. Step 6: Final answer
    x = 22,670.55

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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.