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Finding the Fourth Proportional to 51,290.17, 76,948.29 and 15,753.29

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Solution

The fourth proportional to 51,290.17, 76,948.29 and 15,753.29 is: 23,633.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,290.17 : 76,948.29 = 15,753.29 : x
  2. Step 2: Convert to fraction form
    51,290.17/76,948.29 = 15,753.29/x
  3. Step 3: Cross multiply
    51,290.17x = 76,948.29 × 15,753.29
  4. Step 4: Simplify right side
    51,290.17x = 1,212,188,342.63
  5. Step 5: Solve for x
    x = 1,212,188,342.63/51,290.17
  6. Step 6: Final answer
    x = 23,633.93

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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.