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Finding the Fourth Proportional to 52,941.81, 79,414.88 and 13,499.95

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Solution

The fourth proportional to 52,941.81, 79,414.88 and 13,499.95 is: 20,250.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,941.81 : 79,414.88 = 13,499.95 : x
  2. Step 2: Convert to fraction form
    52,941.81/79,414.88 = 13,499.95/x
  3. Step 3: Cross multiply
    52,941.81x = 79,414.88 × 13,499.95
  4. Step 4: Simplify right side
    52,941.81x = 1,072,096,909.26
  5. Step 5: Solve for x
    x = 1,072,096,909.26/52,941.81
  6. Step 6: Final answer
    x = 20,250.48

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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.