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Finding the Fourth Proportional to 6,482.88, 9,718.56 and 2,377.92

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Solution

The fourth proportional to 6,482.88, 9,718.56 and 2,377.92 is: 3,564.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,482.88 : 9,718.56 = 2,377.92 : x
  2. Step 2: Convert to fraction form
    6,482.88/9,718.56 = 2,377.92/x
  3. Step 3: Cross multiply
    6,482.88x = 9,718.56 × 2,377.92
  4. Step 4: Simplify right side
    6,482.88x = 23,109,958.20
  5. Step 5: Solve for x
    x = 23,109,958.20/6,482.88
  6. Step 6: Final answer
    x = 3,564.77

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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.