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Finding the Fourth Proportional to 8,807.62, 13,192.05 and 8,322.37

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Solution

The fourth proportional to 8,807.62, 13,192.05 and 8,322.37 is: 12,465.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,807.62 : 13,192.05 = 8,322.37 : x
  2. Step 2: Convert to fraction form
    8,807.62/13,192.05 = 8,322.37/x
  3. Step 3: Cross multiply
    8,807.62x = 13,192.05 × 8,322.37
  4. Step 4: Simplify right side
    8,807.62x = 109,789,121.16
  5. Step 5: Solve for x
    x = 109,789,121.16/8,807.62
  6. Step 6: Final answer
    x = 12,465.24

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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.