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Finding the Fourth Proportional to 9,168.77, 13,752.01 and 2,929.44

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Solution

The fourth proportional to 9,168.77, 13,752.01 and 2,929.44 is: 4,393.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168.77 : 13,752.01 = 2,929.44 : x
  2. Step 2: Convert to fraction form
    9,168.77/13,752.01 = 2,929.44/x
  3. Step 3: Cross multiply
    9,168.77x = 13,752.01 × 2,929.44
  4. Step 4: Simplify right side
    9,168.77x = 40,285,688.17
  5. Step 5: Solve for x
    x = 40,285,688.17/9,168.77
  6. Step 6: Final answer
    x = 4,393.79

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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.