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Finding the Fourth Proportional to 60,372.54, 90,568.53 and 25,315.74

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Solution

The fourth proportional to 60,372.54, 90,568.53 and 25,315.74 is: 37,977.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,372.54 : 90,568.53 = 25,315.74 : x
  2. Step 2: Convert to fraction form
    60,372.54/90,568.53 = 25,315.74/x
  3. Step 3: Cross multiply
    60,372.54x = 90,568.53 × 25,315.74
  4. Step 4: Simplify right side
    60,372.54x = 2,292,809,357.66
  5. Step 5: Solve for x
    x = 2,292,809,357.66/60,372.54
  6. Step 6: Final answer
    x = 37,977.69

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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.