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Finding the Fourth Proportional to 10,644.04, 15,952.30 and 7,351.88

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Solution

The fourth proportional to 10,644.04, 15,952.30 and 7,351.88 is: 11,018.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,644.04 : 15,952.30 = 7,351.88 : x
  2. Step 2: Convert to fraction form
    10,644.04/15,952.30 = 7,351.88/x
  3. Step 3: Cross multiply
    10,644.04x = 15,952.30 × 7,351.88
  4. Step 4: Simplify right side
    10,644.04x = 117,279,395.32
  5. Step 5: Solve for x
    x = 117,279,395.32/10,644.04
  6. Step 6: Final answer
    x = 11,018.32

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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.