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Finding the Fourth Proportional to 41,163.58, 61,715.40 and 13,074.40

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Solution

The fourth proportional to 41,163.58, 61,715.40 and 13,074.40 is: 19,602.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,163.58 : 61,715.40 = 13,074.40 : x
  2. Step 2: Convert to fraction form
    41,163.58/61,715.40 = 13,074.40/x
  3. Step 3: Cross multiply
    41,163.58x = 61,715.40 × 13,074.40
  4. Step 4: Simplify right side
    41,163.58x = 806,891,825.76
  5. Step 5: Solve for x
    x = 806,891,825.76/41,163.58
  6. Step 6: Final answer
    x = 19,602.08

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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.