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Finding the Fourth Proportional to 8,803.60, 13,206.06 and 2,960.20

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Solution

The fourth proportional to 8,803.60, 13,206.06 and 2,960.20 is: 4,440.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,803.60 : 13,206.06 = 2,960.20 : x
  2. Step 2: Convert to fraction form
    8,803.60/13,206.06 = 2,960.20/x
  3. Step 3: Cross multiply
    8,803.60x = 13,206.06 × 2,960.20
  4. Step 4: Simplify right side
    8,803.60x = 39,092,578.81
  5. Step 5: Solve for x
    x = 39,092,578.81/8,803.60
  6. Step 6: Final answer
    x = 4,440.52

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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.