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Finding the Fourth Proportional to 57,441.72, 86,162.70 and 15,888.84

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Solution

The fourth proportional to 57,441.72, 86,162.70 and 15,888.84 is: 23,833.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,441.72 : 86,162.70 = 15,888.84 : x
  2. Step 2: Convert to fraction form
    57,441.72/86,162.70 = 15,888.84/x
  3. Step 3: Cross multiply
    57,441.72x = 86,162.70 × 15,888.84
  4. Step 4: Simplify right side
    57,441.72x = 1,369,025,354.27
  5. Step 5: Solve for x
    x = 1,369,025,354.27/57,441.72
  6. Step 6: Final answer
    x = 23,833.29

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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.