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Finding the Fourth Proportional to 8,468.10, 12,702.51 and 2,624.82

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Solution

The fourth proportional to 8,468.10, 12,702.51 and 2,624.82 is: 3,937.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468.10 : 12,702.51 = 2,624.82 : x
  2. Step 2: Convert to fraction form
    8,468.10/12,702.51 = 2,624.82/x
  3. Step 3: Cross multiply
    8,468.10x = 12,702.51 × 2,624.82
  4. Step 4: Simplify right side
    8,468.10x = 33,341,802.30
  5. Step 5: Solve for x
    x = 33,341,802.30/8,468.10
  6. Step 6: Final answer
    x = 3,937.34

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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.