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Finding the Fourth Proportional to 74,443.40, 111,626.70 and 27,672.20

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Solution

The fourth proportional to 74,443.40, 111,626.70 and 27,672.20 is: 41,494.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,443.40 : 111,626.70 = 27,672.20 : x
  2. Step 2: Convert to fraction form
    74,443.40/111,626.70 = 27,672.20/x
  3. Step 3: Cross multiply
    74,443.40x = 111,626.70 × 27,672.20
  4. Step 4: Simplify right side
    74,443.40x = 3,088,956,367.74
  5. Step 5: Solve for x
    x = 3,088,956,367.74/74,443.40
  6. Step 6: Final answer
    x = 41,494.03

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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.