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Finding the Fourth Proportional to 60,136.85, 82,987.54 and 32,912.80

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Solution

The fourth proportional to 60,136.85, 82,987.54 and 32,912.80 is: 45,418.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,136.85 : 82,987.54 = 32,912.80 : x
  2. Step 2: Convert to fraction form
    60,136.85/82,987.54 = 32,912.80/x
  3. Step 3: Cross multiply
    60,136.85x = 82,987.54 × 32,912.80
  4. Step 4: Simplify right side
    60,136.85x = 2,731,352,016.76
  5. Step 5: Solve for x
    x = 2,731,352,016.76/60,136.85
  6. Step 6: Final answer
    x = 45,418.94

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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.