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Finding the Fourth Proportional to 5,943.07, 8,909.19 and 2,478.43

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Solution

The fourth proportional to 5,943.07, 8,909.19 and 2,478.43 is: 3,715.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,943.07 : 8,909.19 = 2,478.43 : x
  2. Step 2: Convert to fraction form
    5,943.07/8,909.19 = 2,478.43/x
  3. Step 3: Cross multiply
    5,943.07x = 8,909.19 × 2,478.43
  4. Step 4: Simplify right side
    5,943.07x = 22,080,803.77
  5. Step 5: Solve for x
    x = 22,080,803.77/5,943.07
  6. Step 6: Final answer
    x = 3,715.39

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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.