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Finding the Fourth Proportional to 74,274.62, 111,448.68 and 34,834.76

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Solution

The fourth proportional to 74,274.62, 111,448.68 and 34,834.76 is: 52,269.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,274.62 : 111,448.68 = 34,834.76 : x
  2. Step 2: Convert to fraction form
    74,274.62/111,448.68 = 34,834.76/x
  3. Step 3: Cross multiply
    74,274.62x = 111,448.68 × 34,834.76
  4. Step 4: Simplify right side
    74,274.62x = 3,882,288,020.12
  5. Step 5: Solve for x
    x = 3,882,288,020.12/74,274.62
  6. Step 6: Final answer
    x = 52,269.38

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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.