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Finding the Fourth Proportional to 34,998, 48,297.24 and 20,869.98

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Solution

The fourth proportional to 34,998, 48,297.24 and 20,869.98 is: 28,800.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,998 : 48,297.24 = 20,869.98 : x
  2. Step 2: Convert to fraction form
    34,998/48,297.24 = 20,869.98/x
  3. Step 3: Cross multiply
    34,998x = 48,297.24 × 20,869.98
  4. Step 4: Simplify right side
    34,998x = 1,007,962,432.86
  5. Step 5: Solve for x
    x = 1,007,962,432.86/34,998
  6. Step 6: Final answer
    x = 28,800.57

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Why These Related Problems?

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