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Finding the Fourth Proportional to 10,273.88, 15,392.30 and 4,731.88

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Solution

The fourth proportional to 10,273.88, 15,392.30 and 4,731.88 is: 7,089.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,273.88 : 15,392.30 = 4,731.88 : x
  2. Step 2: Convert to fraction form
    10,273.88/15,392.30 = 4,731.88/x
  3. Step 3: Cross multiply
    10,273.88x = 15,392.30 × 4,731.88
  4. Step 4: Simplify right side
    10,273.88x = 72,834,516.52
  5. Step 5: Solve for x
    x = 72,834,516.52/10,273.88
  6. Step 6: Final answer
    x = 7,089.29

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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.