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Finding the Fourth Proportional to 32,020.40, 48,020.21 and 10,667.42

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Solution

The fourth proportional to 32,020.40, 48,020.21 and 10,667.42 is: 15,997.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,020.40 : 48,020.21 = 10,667.42 : x
  2. Step 2: Convert to fraction form
    32,020.40/48,020.21 = 10,667.42/x
  3. Step 3: Cross multiply
    32,020.40x = 48,020.21 × 10,667.42
  4. Step 4: Simplify right side
    32,020.40x = 512,251,508.46
  5. Step 5: Solve for x
    x = 512,251,508.46/32,020.40
  6. Step 6: Final answer
    x = 15,997.66

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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.