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Finding the Fourth Proportional to 60,962.50, 91,360.72 and 34,321.20

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Solution

The fourth proportional to 60,962.50, 91,360.72 and 34,321.20 is: 51,435.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,962.50 : 91,360.72 = 34,321.20 : x
  2. Step 2: Convert to fraction form
    60,962.50/91,360.72 = 34,321.20/x
  3. Step 3: Cross multiply
    60,962.50x = 91,360.72 × 34,321.20
  4. Step 4: Simplify right side
    60,962.50x = 3,135,609,543.26
  5. Step 5: Solve for x
    x = 3,135,609,543.26/60,962.50
  6. Step 6: Final answer
    x = 51,435.06

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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.