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Finding the Fourth Proportional to 8,933.86, 13,403.02 and 2,693.72

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Solution

The fourth proportional to 8,933.86, 13,403.02 and 2,693.72 is: 4,041.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,933.86 : 13,403.02 = 2,693.72 : x
  2. Step 2: Convert to fraction form
    8,933.86/13,403.02 = 2,693.72/x
  3. Step 3: Cross multiply
    8,933.86x = 13,403.02 × 2,693.72
  4. Step 4: Simplify right side
    8,933.86x = 36,103,983.03
  5. Step 5: Solve for x
    x = 36,103,983.03/8,933.86
  6. Step 6: Final answer
    x = 4,041.25

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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.