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Finding the Fourth Proportional to 73,379.40, 110,069.10 and 26,626.20

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Solution

The fourth proportional to 73,379.40, 110,069.10 and 26,626.20 is: 39,939.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,379.40 : 110,069.10 = 26,626.20 : x
  2. Step 2: Convert to fraction form
    73,379.40/110,069.10 = 26,626.20/x
  3. Step 3: Cross multiply
    73,379.40x = 110,069.10 × 26,626.20
  4. Step 4: Simplify right side
    73,379.40x = 2,930,721,870.42
  5. Step 5: Solve for x
    x = 2,930,721,870.42/73,379.40
  6. Step 6: Final answer
    x = 39,939.30

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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.