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Finding the Fourth Proportional to 8,360.88, 12,543.12 and 2,518.08

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Solution

The fourth proportional to 8,360.88, 12,543.12 and 2,518.08 is: 3,777.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,360.88 : 12,543.12 = 2,518.08 : x
  2. Step 2: Convert to fraction form
    8,360.88/12,543.12 = 2,518.08/x
  3. Step 3: Cross multiply
    8,360.88x = 12,543.12 × 2,518.08
  4. Step 4: Simplify right side
    8,360.88x = 31,584,579.61
  5. Step 5: Solve for x
    x = 31,584,579.61/8,360.88
  6. Step 6: Final answer
    x = 3,777.66

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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.