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Finding the Fourth Proportional to 8,806.60, 13,219.62 and 6,969.52

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Solution

The fourth proportional to 8,806.60, 13,219.62 and 6,969.52 is: 10,461.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806.60 : 13,219.62 = 6,969.52 : x
  2. Step 2: Convert to fraction form
    8,806.60/13,219.62 = 6,969.52/x
  3. Step 3: Cross multiply
    8,806.60x = 13,219.62 × 6,969.52
  4. Step 4: Simplify right side
    8,806.60x = 92,134,405.98
  5. Step 5: Solve for x
    x = 92,134,405.98/8,806.60
  6. Step 6: Final answer
    x = 10,461.97

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1.5x scale

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.