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Finding the Fourth Proportional to 41,374.78, 61,594.18 and 41,128.74

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Solution

The fourth proportional to 41,374.78, 61,594.18 and 41,128.74 is: 61,227.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,374.78 : 61,594.18 = 41,128.74 : x
  2. Step 2: Convert to fraction form
    41,374.78/61,594.18 = 41,128.74/x
  3. Step 3: Cross multiply
    41,374.78x = 61,594.18 × 41,128.74
  4. Step 4: Simplify right side
    41,374.78x = 2,533,291,014.73
  5. Step 5: Solve for x
    x = 2,533,291,014.73/41,374.78
  6. Step 6: Final answer
    x = 61,227.90

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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.