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Finding the Fourth Proportional to 8,803.56, 13,206.18 and 2,478.42

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Solution

The fourth proportional to 8,803.56, 13,206.18 and 2,478.42 is: 3,717.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,803.56 : 13,206.18 = 2,478.42 : x
  2. Step 2: Convert to fraction form
    8,803.56/13,206.18 = 2,478.42/x
  3. Step 3: Cross multiply
    8,803.56x = 13,206.18 × 2,478.42
  4. Step 4: Simplify right side
    8,803.56x = 32,730,460.64
  5. Step 5: Solve for x
    x = 32,730,460.64/8,803.56
  6. Step 6: Final answer
    x = 3,717.87

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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.