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Finding the Fourth Proportional to 73,047.65, 109,505.68 and 26,267.63

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Solution

The fourth proportional to 73,047.65, 109,505.68 and 26,267.63 is: 39,377.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,047.65 : 109,505.68 = 26,267.63 : x
  2. Step 2: Convert to fraction form
    73,047.65/109,505.68 = 26,267.63/x
  3. Step 3: Cross multiply
    73,047.65x = 109,505.68 × 26,267.63
  4. Step 4: Simplify right side
    73,047.65x = 2,876,454,071.94
  5. Step 5: Solve for x
    x = 2,876,454,071.94/73,047.65
  6. Step 6: Final answer
    x = 39,377.78

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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.