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Finding the Fourth Proportional to 8,335.72, 12,503.58 and 2,788.04

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Solution

The fourth proportional to 8,335.72, 12,503.58 and 2,788.04 is: 4,182.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,335.72 : 12,503.58 = 2,788.04 : x
  2. Step 2: Convert to fraction form
    8,335.72/12,503.58 = 2,788.04/x
  3. Step 3: Cross multiply
    8,335.72x = 12,503.58 × 2,788.04
  4. Step 4: Simplify right side
    8,335.72x = 34,860,481.18
  5. Step 5: Solve for x
    x = 34,860,481.18/8,335.72
  6. Step 6: Final answer
    x = 4,182.06

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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.