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Finding the Fourth Proportional to 33,098.99, 45,677.16 and 18,951.72

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Solution

The fourth proportional to 33,098.99, 45,677.16 and 18,951.72 is: 26,153.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,098.99 : 45,677.16 = 18,951.72 : x
  2. Step 2: Convert to fraction form
    33,098.99/45,677.16 = 18,951.72/x
  3. Step 3: Cross multiply
    33,098.99x = 45,677.16 × 18,951.72
  4. Step 4: Simplify right side
    33,098.99x = 865,660,746.72
  5. Step 5: Solve for x
    x = 865,660,746.72/33,098.99
  6. Step 6: Final answer
    x = 26,153.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.