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Finding the Fourth Proportional to 71,518.06, 107,252.79 and 24,760

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Solution

The fourth proportional to 71,518.06, 107,252.79 and 24,760 is: 37,131.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,518.06 : 107,252.79 = 24,760 : x
  2. Step 2: Convert to fraction form
    71,518.06/107,252.79 = 24,760/x
  3. Step 3: Cross multiply
    71,518.06x = 107,252.79 × 24,760
  4. Step 4: Simplify right side
    71,518.06x = 2,655,579,080.40
  5. Step 5: Solve for x
    x = 2,655,579,080.40/71,518.06
  6. Step 6: Final answer
    x = 37,131.59

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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.