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Finding the Fourth Proportional to 60,393.43, 90,620.25 and 27,137.26

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Solution

The fourth proportional to 60,393.43, 90,620.25 and 27,137.26 is: 40,719.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,393.43 : 90,620.25 = 27,137.26 : x
  2. Step 2: Convert to fraction form
    60,393.43/90,620.25 = 27,137.26/x
  3. Step 3: Cross multiply
    60,393.43x = 90,620.25 × 27,137.26
  4. Step 4: Simplify right side
    60,393.43x = 2,459,185,285.52
  5. Step 5: Solve for x
    x = 2,459,185,285.52/60,393.43
  6. Step 6: Final answer
    x = 40,719.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.