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Finding the Fourth Proportional to 8,693.75, 13,041.18 and 3,359.48

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Solution

The fourth proportional to 8,693.75, 13,041.18 and 3,359.48 is: 5,039.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,693.75 : 13,041.18 = 3,359.48 : x
  2. Step 2: Convert to fraction form
    8,693.75/13,041.18 = 3,359.48/x
  3. Step 3: Cross multiply
    8,693.75x = 13,041.18 × 3,359.48
  4. Step 4: Simplify right side
    8,693.75x = 43,811,518.18
  5. Step 5: Solve for x
    x = 43,811,518.18/8,693.75
  6. Step 6: Final answer
    x = 5,039.43

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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.