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Finding the Fourth Proportional to 65,766.60, 90,735.72 and 37,452.24

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Solution

The fourth proportional to 65,766.60, 90,735.72 and 37,452.24 is: 51,671.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,766.60 : 90,735.72 = 37,452.24 : x
  2. Step 2: Convert to fraction form
    65,766.60/90,735.72 = 37,452.24/x
  3. Step 3: Cross multiply
    65,766.60x = 90,735.72 × 37,452.24
  4. Step 4: Simplify right side
    65,766.60x = 3,398,255,962.01
  5. Step 5: Solve for x
    x = 3,398,255,962.01/65,766.60
  6. Step 6: Final answer
    x = 51,671.46

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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.