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Finding the Fourth Proportional to 63,348.80, 94,946.40 and 28,251.20

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Solution

The fourth proportional to 63,348.80, 94,946.40 and 28,251.20 is: 42,342.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,348.80 : 94,946.40 = 28,251.20 : x
  2. Step 2: Convert to fraction form
    63,348.80/94,946.40 = 28,251.20/x
  3. Step 3: Cross multiply
    63,348.80x = 94,946.40 × 28,251.20
  4. Step 4: Simplify right side
    63,348.80x = 2,682,349,735.68
  5. Step 5: Solve for x
    x = 2,682,349,735.68/63,348.80
  6. Step 6: Final answer
    x = 42,342.55

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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.