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Finding the Fourth Proportional to 60,630.75, 83,670.44 and 35,480.25

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Solution

The fourth proportional to 60,630.75, 83,670.44 and 35,480.25 is: 48,962.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,630.75 : 83,670.44 = 35,480.25 : x
  2. Step 2: Convert to fraction form
    60,630.75/83,670.44 = 35,480.25/x
  3. Step 3: Cross multiply
    60,630.75x = 83,670.44 × 35,480.25
  4. Step 4: Simplify right side
    60,630.75x = 2,968,647,951.41
  5. Step 5: Solve for x
    x = 2,968,647,951.41/60,630.75
  6. Step 6: Final answer
    x = 48,962.75

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1.5x scale

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.