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Finding the Fourth Proportional to 28,973.64, 43,452.90 and 10,251.84

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Solution

The fourth proportional to 28,973.64, 43,452.90 and 10,251.84 is: 15,375.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,973.64 : 43,452.90 = 10,251.84 : x
  2. Step 2: Convert to fraction form
    28,973.64/43,452.90 = 10,251.84/x
  3. Step 3: Cross multiply
    28,973.64x = 43,452.90 × 10,251.84
  4. Step 4: Simplify right side
    28,973.64x = 445,472,178.34
  5. Step 5: Solve for x
    x = 445,472,178.34/28,973.64
  6. Step 6: Final answer
    x = 15,375.09

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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.