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Finding the Fourth Proportional to 39,894.60, 59,813.10 and 22,369.80

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Solution

The fourth proportional to 39,894.60, 59,813.10 and 22,369.80 is: 33,538.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,894.60 : 59,813.10 = 22,369.80 : x
  2. Step 2: Convert to fraction form
    39,894.60/59,813.10 = 22,369.80/x
  3. Step 3: Cross multiply
    39,894.60x = 59,813.10 × 22,369.80
  4. Step 4: Simplify right side
    39,894.60x = 1,338,007,084.38
  5. Step 5: Solve for x
    x = 1,338,007,084.38/39,894.60
  6. Step 6: Final answer
    x = 33,538.55

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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.