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Finding the Fourth Proportional to 33,117.72, 49,675.50 and 14,397.78

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Solution

The fourth proportional to 33,117.72, 49,675.50 and 14,397.78 is: 21,596.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,117.72 : 49,675.50 = 14,397.78 : x
  2. Step 2: Convert to fraction form
    33,117.72/49,675.50 = 14,397.78/x
  3. Step 3: Cross multiply
    33,117.72x = 49,675.50 × 14,397.78
  4. Step 4: Simplify right side
    33,117.72x = 715,216,920.39
  5. Step 5: Solve for x
    x = 715,216,920.39/33,117.72
  6. Step 6: Final answer
    x = 21,596.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.