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Finding the Fourth Proportional to 33,251,061.60, 49,792,611.60 and 21,829,672.80

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Solution

The fourth proportional to 33,251,061.60, 49,792,611.60 and 21,829,672.80 is: 32,689,374.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,251,061.60 : 49,792,611.60 = 21,829,672.80 : x
  2. Step 2: Convert to fraction form
    33,251,061.60/49,792,611.60 = 21,829,672.80/x
  3. Step 3: Cross multiply
    33,251,061.60x = 49,792,611.60 × 21,829,672.80
  4. Step 4: Simplify right side
    33,251,061.60x = 1,086,956,419,085,484.50
  5. Step 5: Solve for x
    x = 1,086,956,419,085,484.50/33,251,061.60
  6. Step 6: Final answer
    x = 32,689,374.92

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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.