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Finding the Fourth Proportional to 8,643.33, 12,964.92 and 3,962.03

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Solution

The fourth proportional to 8,643.33, 12,964.92 and 3,962.03 is: 5,943.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,643.33 : 12,964.92 = 3,962.03 : x
  2. Step 2: Convert to fraction form
    8,643.33/12,964.92 = 3,962.03/x
  3. Step 3: Cross multiply
    8,643.33x = 12,964.92 × 3,962.03
  4. Step 4: Simplify right side
    8,643.33x = 51,367,337.16
  5. Step 5: Solve for x
    x = 51,367,337.16/8,643.33
  6. Step 6: Final answer
    x = 5,943.00

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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.