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Finding the Fourth Proportional to 66,747.85, 100,136.77 and 22,373.46

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Solution

The fourth proportional to 66,747.85, 100,136.77 and 22,373.46 is: 33,565.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,747.85 : 100,136.77 = 22,373.46 : x
  2. Step 2: Convert to fraction form
    66,747.85/100,136.77 = 22,373.46/x
  3. Step 3: Cross multiply
    66,747.85x = 100,136.77 × 22,373.46
  4. Step 4: Simplify right side
    66,747.85x = 2,240,406,156.60
  5. Step 5: Solve for x
    x = 2,240,406,156.60/66,747.85
  6. Step 6: Final answer
    x = 33,565.22

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1.5x scale

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.