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Finding the Fourth Proportional to 6,680.76, 10,026 and 2,987.16

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Solution

The fourth proportional to 6,680.76, 10,026 and 2,987.16 is: 4,482.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,680.76 : 10,026 = 2,987.16 : x
  2. Step 2: Convert to fraction form
    6,680.76/10,026 = 2,987.16/x
  3. Step 3: Cross multiply
    6,680.76x = 10,026 × 2,987.16
  4. Step 4: Simplify right side
    6,680.76x = 29,949,266.16
  5. Step 5: Solve for x
    x = 29,949,266.16/6,680.76
  6. Step 6: Final answer
    x = 4,482.91

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.