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Finding the Fourth Proportional to 3,652.98, 5,479.99 and 1,153.32

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Solution

The fourth proportional to 3,652.98, 5,479.99 and 1,153.32 is: 1,730.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,652.98 : 5,479.99 = 1,153.32 : x
  2. Step 2: Convert to fraction form
    3,652.98/5,479.99 = 1,153.32/x
  3. Step 3: Cross multiply
    3,652.98x = 5,479.99 × 1,153.32
  4. Step 4: Simplify right side
    3,652.98x = 6,320,165.12
  5. Step 5: Solve for x
    x = 6,320,165.12/3,652.98
  6. Step 6: Final answer
    x = 1,730.14

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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.