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Finding the Fourth Proportional to 47,969.98, 71,955.13 and 14,689.89

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Solution

The fourth proportional to 47,969.98, 71,955.13 and 14,689.89 is: 22,034.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,969.98 : 71,955.13 = 14,689.89 : x
  2. Step 2: Convert to fraction form
    47,969.98/71,955.13 = 14,689.89/x
  3. Step 3: Cross multiply
    47,969.98x = 71,955.13 × 14,689.89
  4. Step 4: Simplify right side
    47,969.98x = 1,057,012,944.64
  5. Step 5: Solve for x
    x = 1,057,012,944.64/47,969.98
  6. Step 6: Final answer
    x = 22,034.88

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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.