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Finding the Fourth Proportional to 60,457.25, 90,687.90 and 27,177.41

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Solution

The fourth proportional to 60,457.25, 90,687.90 and 27,177.41 is: 40,767.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,457.25 : 90,687.90 = 27,177.41 : x
  2. Step 2: Convert to fraction form
    60,457.25/90,687.90 = 27,177.41/x
  3. Step 3: Cross multiply
    60,457.25x = 90,687.90 × 27,177.41
  4. Step 4: Simplify right side
    60,457.25x = 2,464,662,467.06
  5. Step 5: Solve for x
    x = 2,464,662,467.06/60,457.25
  6. Step 6: Final answer
    x = 40,767.03

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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.