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Finding the Fourth Proportional to 24,993,677.20, 37,490,515.80 and 19,954,829.20

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Solution

The fourth proportional to 24,993,677.20, 37,490,515.80 and 19,954,829.20 is: 29,932,243.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,993,677.20 : 37,490,515.80 = 19,954,829.20 : x
  2. Step 2: Convert to fraction form
    24,993,677.20/37,490,515.80 = 19,954,829.20/x
  3. Step 3: Cross multiply
    24,993,677.20x = 37,490,515.80 × 19,954,829.20
  4. Step 4: Simplify right side
    24,993,677.20x = 748,116,839,408,901.25
  5. Step 5: Solve for x
    x = 748,116,839,408,901.25/24,993,677.20
  6. Step 6: Final answer
    x = 29,932,243.80

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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.