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Finding the Fourth Proportional to 35,179.80, 52,812.90 and 34,920.60

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Solution

The fourth proportional to 35,179.80, 52,812.90 and 34,920.60 is: 52,423.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,179.80 : 52,812.90 = 34,920.60 : x
  2. Step 2: Convert to fraction form
    35,179.80/52,812.90 = 34,920.60/x
  3. Step 3: Cross multiply
    35,179.80x = 52,812.90 × 34,920.60
  4. Step 4: Simplify right side
    35,179.80x = 1,844,258,155.74
  5. Step 5: Solve for x
    x = 1,844,258,155.74/35,179.80
  6. Step 6: Final answer
    x = 52,423.78

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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.