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Finding the Fourth Proportional to 8,264.76, 12,398.52 and 2,716.88

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Solution

The fourth proportional to 8,264.76, 12,398.52 and 2,716.88 is: 4,075.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264.76 : 12,398.52 = 2,716.88 : x
  2. Step 2: Convert to fraction form
    8,264.76/12,398.52 = 2,716.88/x
  3. Step 3: Cross multiply
    8,264.76x = 12,398.52 × 2,716.88
  4. Step 4: Simplify right side
    8,264.76x = 33,685,291.02
  5. Step 5: Solve for x
    x = 33,685,291.02/8,264.76
  6. Step 6: Final answer
    x = 4,075.77

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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.