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Finding the Fourth Proportional to 8,693.19, 13,041.81 and 2,849.45

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Solution

The fourth proportional to 8,693.19, 13,041.81 and 2,849.45 is: 4,274.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,693.19 : 13,041.81 = 2,849.45 : x
  2. Step 2: Convert to fraction form
    8,693.19/13,041.81 = 2,849.45/x
  3. Step 3: Cross multiply
    8,693.19x = 13,041.81 × 2,849.45
  4. Step 4: Simplify right side
    8,693.19x = 37,161,920.30
  5. Step 5: Solve for x
    x = 37,161,920.30/8,693.19
  6. Step 6: Final answer
    x = 4,274.83

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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.