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Finding the Fourth Proportional to 50,473.67, 75,714.14 and 20,473.49

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Solution

The fourth proportional to 50,473.67, 75,714.14 and 20,473.49 is: 30,711.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,473.67 : 75,714.14 = 20,473.49 : x
  2. Step 2: Convert to fraction form
    50,473.67/75,714.14 = 20,473.49/x
  3. Step 3: Cross multiply
    50,473.67x = 75,714.14 × 20,473.49
  4. Step 4: Simplify right side
    50,473.67x = 1,550,132,928.62
  5. Step 5: Solve for x
    x = 1,550,132,928.62/50,473.67
  6. Step 6: Final answer
    x = 30,711.72

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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.