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Finding the Fourth Proportional to 35,137.80, 48,490.52 and 19,222.92

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Solution

The fourth proportional to 35,137.80, 48,490.52 and 19,222.92 is: 26,527.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,137.80 : 48,490.52 = 19,222.92 : x
  2. Step 2: Convert to fraction form
    35,137.80/48,490.52 = 19,222.92/x
  3. Step 3: Cross multiply
    35,137.80x = 48,490.52 × 19,222.92
  4. Step 4: Simplify right side
    35,137.80x = 932,129,290.60
  5. Step 5: Solve for x
    x = 932,129,290.60/35,137.80
  6. Step 6: Final answer
    x = 26,527.82

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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.