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Finding the Fourth Proportional to 8,350.43, 12,526.54 and 2,803.55

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Solution

The fourth proportional to 8,350.43, 12,526.54 and 2,803.55 is: 4,205.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,350.43 : 12,526.54 = 2,803.55 : x
  2. Step 2: Convert to fraction form
    8,350.43/12,526.54 = 2,803.55/x
  3. Step 3: Cross multiply
    8,350.43x = 12,526.54 × 2,803.55
  4. Step 4: Simplify right side
    8,350.43x = 35,118,711.58
  5. Step 5: Solve for x
    x = 35,118,711.58/8,350.43
  6. Step 6: Final answer
    x = 4,205.62

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.