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Finding the Fourth Proportional to 5,643.03, 8,463.17 and 2,356.15

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Solution

The fourth proportional to 5,643.03, 8,463.17 and 2,356.15 is: 3,533.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,643.03 : 8,463.17 = 2,356.15 : x
  2. Step 2: Convert to fraction form
    5,643.03/8,463.17 = 2,356.15/x
  3. Step 3: Cross multiply
    5,643.03x = 8,463.17 × 2,356.15
  4. Step 4: Simplify right side
    5,643.03x = 19,940,498.00
  5. Step 5: Solve for x
    x = 19,940,498.00/5,643.03
  6. Step 6: Final answer
    x = 3,533.65

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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.