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Finding the Fourth Proportional to 48,394.78, 66,792.03 and 29,542.84

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Solution

The fourth proportional to 48,394.78, 66,792.03 and 29,542.84 is: 40,773.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,394.78 : 66,792.03 = 29,542.84 : x
  2. Step 2: Convert to fraction form
    48,394.78/66,792.03 = 29,542.84/x
  3. Step 3: Cross multiply
    48,394.78x = 66,792.03 × 29,542.84
  4. Step 4: Simplify right side
    48,394.78x = 1,973,226,255.57
  5. Step 5: Solve for x
    x = 1,973,226,255.57/48,394.78
  6. Step 6: Final answer
    x = 40,773.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.