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Finding the Fourth Proportional to 28,954,938.60, 43,432,407.90 and 22,152,493.80

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Solution

The fourth proportional to 28,954,938.60, 43,432,407.90 and 22,152,493.80 is: 33,228,740.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,954,938.60 : 43,432,407.90 = 22,152,493.80 : x
  2. Step 2: Convert to fraction form
    28,954,938.60/43,432,407.90 = 22,152,493.80/x
  3. Step 3: Cross multiply
    28,954,938.60x = 43,432,407.90 × 22,152,493.80
  4. Step 4: Simplify right side
    28,954,938.60x = 962,136,146,723,821
  5. Step 5: Solve for x
    x = 962,136,146,723,821/28,954,938.60
  6. Step 6: Final answer
    x = 33,228,740.70

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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.