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Finding the Fourth Proportional to 8,707.88, 13,062.60 and 2,467.95

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Solution

The fourth proportional to 8,707.88, 13,062.60 and 2,467.95 is: 3,702.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,707.88 : 13,062.60 = 2,467.95 : x
  2. Step 2: Convert to fraction form
    8,707.88/13,062.60 = 2,467.95/x
  3. Step 3: Cross multiply
    8,707.88x = 13,062.60 × 2,467.95
  4. Step 4: Simplify right side
    8,707.88x = 32,237,843.67
  5. Step 5: Solve for x
    x = 32,237,843.67/8,707.88
  6. Step 6: Final answer
    x = 3,702.15

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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.