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Finding the Fourth Proportional to 60,640.88, 83,646.32 and 41,745.20

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Solution

The fourth proportional to 60,640.88, 83,646.32 and 41,745.20 is: 57,582.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,640.88 : 83,646.32 = 41,745.20 : x
  2. Step 2: Convert to fraction form
    60,640.88/83,646.32 = 41,745.20/x
  3. Step 3: Cross multiply
    60,640.88x = 83,646.32 × 41,745.20
  4. Step 4: Simplify right side
    60,640.88x = 3,491,832,357.66
  5. Step 5: Solve for x
    x = 3,491,832,357.66/60,640.88
  6. Step 6: Final answer
    x = 57,582.15

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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.