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Finding the Fourth Proportional to 35,267.80, 48,669.36 and 19,351.90

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Solution

The fourth proportional to 35,267.80, 48,669.36 and 19,351.90 is: 26,705.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,267.80 : 48,669.36 = 19,351.90 : x
  2. Step 2: Convert to fraction form
    35,267.80/48,669.36 = 19,351.90/x
  3. Step 3: Cross multiply
    35,267.80x = 48,669.36 × 19,351.90
  4. Step 4: Simplify right side
    35,267.80x = 941,844,587.78
  5. Step 5: Solve for x
    x = 941,844,587.78/35,267.80
  6. Step 6: Final answer
    x = 26,705.51

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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.