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Finding the Fourth Proportional to 67,269.70, 100,904.55 and 27,903.70

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Solution

The fourth proportional to 67,269.70, 100,904.55 and 27,903.70 is: 41,855.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,269.70 : 100,904.55 = 27,903.70 : x
  2. Step 2: Convert to fraction form
    67,269.70/100,904.55 = 27,903.70/x
  3. Step 3: Cross multiply
    67,269.70x = 100,904.55 × 27,903.70
  4. Step 4: Simplify right side
    67,269.70x = 2,815,610,291.84
  5. Step 5: Solve for x
    x = 2,815,610,291.84/67,269.70
  6. Step 6: Final answer
    x = 41,855.55

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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.