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Finding the Fourth Proportional to 6,646.65, 9,971.33 and 2,264.28

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Solution

The fourth proportional to 6,646.65, 9,971.33 and 2,264.28 is: 3,396.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,646.65 : 9,971.33 = 2,264.28 : x
  2. Step 2: Convert to fraction form
    6,646.65/9,971.33 = 2,264.28/x
  3. Step 3: Cross multiply
    6,646.65x = 9,971.33 × 2,264.28
  4. Step 4: Simplify right side
    6,646.65x = 22,577,871.77
  5. Step 5: Solve for x
    x = 22,577,871.77/6,646.65
  6. Step 6: Final answer
    x = 3,396.88

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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.