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Finding the Fourth Proportional to 59,329.68, 81,869.40 and 35,451.60

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Solution

The fourth proportional to 59,329.68, 81,869.40 and 35,451.60 is: 48,919.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,329.68 : 81,869.40 = 35,451.60 : x
  2. Step 2: Convert to fraction form
    59,329.68/81,869.40 = 35,451.60/x
  3. Step 3: Cross multiply
    59,329.68x = 81,869.40 × 35,451.60
  4. Step 4: Simplify right side
    59,329.68x = 2,902,401,221.04
  5. Step 5: Solve for x
    x = 2,902,401,221.04/59,329.68
  6. Step 6: Final answer
    x = 48,919.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.