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Finding the Fourth Proportional to 38,472.44, 57,708.06 and 19,741.67

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Solution

The fourth proportional to 38,472.44, 57,708.06 and 19,741.67 is: 29,612.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,472.44 : 57,708.06 = 19,741.67 : x
  2. Step 2: Convert to fraction form
    38,472.44/57,708.06 = 19,741.67/x
  3. Step 3: Cross multiply
    38,472.44x = 57,708.06 × 19,741.67
  4. Step 4: Simplify right side
    38,472.44x = 1,139,253,476.86
  5. Step 5: Solve for x
    x = 1,139,253,476.86/38,472.44
  6. Step 6: Final answer
    x = 29,612.20

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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.