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Finding the Fourth Proportional to 10,393.98, 15,582.26 and 4,844.46

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Solution

The fourth proportional to 10,393.98, 15,582.26 and 4,844.46 is: 7,262.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,393.98 : 15,582.26 = 4,844.46 : x
  2. Step 2: Convert to fraction form
    10,393.98/15,582.26 = 4,844.46/x
  3. Step 3: Cross multiply
    10,393.98x = 15,582.26 × 4,844.46
  4. Step 4: Simplify right side
    10,393.98x = 75,487,635.28
  5. Step 5: Solve for x
    x = 75,487,635.28/10,393.98
  6. Step 6: Final answer
    x = 7,262.63

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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.