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Finding the Fourth Proportional to 41,010.78, 61,291.45 and 29,940.78

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Solution

The fourth proportional to 41,010.78, 61,291.45 and 29,940.78 is: 44,747.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,010.78 : 61,291.45 = 29,940.78 : x
  2. Step 2: Convert to fraction form
    41,010.78/61,291.45 = 29,940.78/x
  3. Step 3: Cross multiply
    41,010.78x = 61,291.45 × 29,940.78
  4. Step 4: Simplify right side
    41,010.78x = 1,835,113,820.33
  5. Step 5: Solve for x
    x = 1,835,113,820.33/41,010.78
  6. Step 6: Final answer
    x = 44,747.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.