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Finding the Fourth Proportional to 3,252.88, 4,878.16 and 1,061.08

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Solution

The fourth proportional to 3,252.88, 4,878.16 and 1,061.08 is: 1,591.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,252.88 : 4,878.16 = 1,061.08 : x
  2. Step 2: Convert to fraction form
    3,252.88/4,878.16 = 1,061.08/x
  3. Step 3: Cross multiply
    3,252.88x = 4,878.16 × 1,061.08
  4. Step 4: Simplify right side
    3,252.88x = 5,176,118.01
  5. Step 5: Solve for x
    x = 5,176,118.01/3,252.88
  6. Step 6: Final answer
    x = 1,591.24

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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.