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Finding the Fourth Proportional to 8,806.95, 13,211.58 and 2,881.77

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Solution

The fourth proportional to 8,806.95, 13,211.58 and 2,881.77 is: 4,323.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806.95 : 13,211.58 = 2,881.77 : x
  2. Step 2: Convert to fraction form
    8,806.95/13,211.58 = 2,881.77/x
  3. Step 3: Cross multiply
    8,806.95x = 13,211.58 × 2,881.77
  4. Step 4: Simplify right side
    8,806.95x = 38,072,734.90
  5. Step 5: Solve for x
    x = 38,072,734.90/8,806.95
  6. Step 6: Final answer
    x = 4,323.03

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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.