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Finding the Fourth Proportional to 38,475.69, 57,712.92 and 19,744.92

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Solution

The fourth proportional to 38,475.69, 57,712.92 and 19,744.92 is: 29,617.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,475.69 : 57,712.92 = 19,744.92 : x
  2. Step 2: Convert to fraction form
    38,475.69/57,712.92 = 19,744.92/x
  3. Step 3: Cross multiply
    38,475.69x = 57,712.92 × 19,744.92
  4. Step 4: Simplify right side
    38,475.69x = 1,139,536,988.37
  5. Step 5: Solve for x
    x = 1,139,536,988.37/38,475.69
  6. Step 6: Final answer
    x = 29,617.06

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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.