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Finding the Fourth Proportional to 60,341.78, 90,874.02 and 54,954.88

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Solution

The fourth proportional to 60,341.78, 90,874.02 and 54,954.88 is: 82,761.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,341.78 : 90,874.02 = 54,954.88 : x
  2. Step 2: Convert to fraction form
    60,341.78/90,874.02 = 54,954.88/x
  3. Step 3: Cross multiply
    60,341.78x = 90,874.02 × 54,954.88
  4. Step 4: Simplify right side
    60,341.78x = 4,993,970,864.22
  5. Step 5: Solve for x
    x = 4,993,970,864.22/60,341.78
  6. Step 6: Final answer
    x = 82,761.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.