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Finding the Fourth Proportional to 67,220.53, 100,847.40 and 27,788.92

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Solution

The fourth proportional to 67,220.53, 100,847.40 and 27,788.92 is: 41,690.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,220.53 : 100,847.40 = 27,788.92 : x
  2. Step 2: Convert to fraction form
    67,220.53/100,847.40 = 27,788.92/x
  3. Step 3: Cross multiply
    67,220.53x = 100,847.40 × 27,788.92
  4. Step 4: Simplify right side
    67,220.53x = 2,802,440,330.81
  5. Step 5: Solve for x
    x = 2,802,440,330.81/67,220.53
  6. Step 6: Final answer
    x = 41,690.24

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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.