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Finding the Fourth Proportional to 5,663.88, 8,488.06 and 4,276.04

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Solution

The fourth proportional to 5,663.88, 8,488.06 and 4,276.04 is: 6,408.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,663.88 : 8,488.06 = 4,276.04 : x
  2. Step 2: Convert to fraction form
    5,663.88/8,488.06 = 4,276.04/x
  3. Step 3: Cross multiply
    5,663.88x = 8,488.06 × 4,276.04
  4. Step 4: Simplify right side
    5,663.88x = 36,295,284.08
  5. Step 5: Solve for x
    x = 36,295,284.08/5,663.88
  6. Step 6: Final answer
    x = 6,408.20

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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.