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Finding the Fourth Proportional to 40,167.63, 60,250.50 and 13,869.90

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Solution

The fourth proportional to 40,167.63, 60,250.50 and 13,869.90 is: 20,804.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,167.63 : 60,250.50 = 13,869.90 : x
  2. Step 2: Convert to fraction form
    40,167.63/60,250.50 = 13,869.90/x
  3. Step 3: Cross multiply
    40,167.63x = 60,250.50 × 13,869.90
  4. Step 4: Simplify right side
    40,167.63x = 835,668,409.95
  5. Step 5: Solve for x
    x = 835,668,409.95/40,167.63
  6. Step 6: Final answer
    x = 20,804.52

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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.