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Finding the Fourth Proportional to 32,991.25, 49,486.64 and 13,269.52

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Solution

The fourth proportional to 32,991.25, 49,486.64 and 13,269.52 is: 19,904.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,991.25 : 49,486.64 = 13,269.52 : x
  2. Step 2: Convert to fraction form
    32,991.25/49,486.64 = 13,269.52/x
  3. Step 3: Cross multiply
    32,991.25x = 49,486.64 × 13,269.52
  4. Step 4: Simplify right side
    32,991.25x = 656,663,645.43
  5. Step 5: Solve for x
    x = 656,663,645.43/32,991.25
  6. Step 6: Final answer
    x = 19,904.18

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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.