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Finding the Fourth Proportional to 8,807.08, 12,132.28 and 7,544

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Solution

The fourth proportional to 8,807.08, 12,132.28 and 7,544 is: 10,392.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,807.08 : 12,132.28 = 7,544 : x
  2. Step 2: Convert to fraction form
    8,807.08/12,132.28 = 7,544/x
  3. Step 3: Cross multiply
    8,807.08x = 12,132.28 × 7,544
  4. Step 4: Simplify right side
    8,807.08x = 91,525,920.32
  5. Step 5: Solve for x
    x = 91,525,920.32/8,807.08
  6. Step 6: Final answer
    x = 10,392.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.