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Finding the Fourth Proportional to 35,255.87, 48,652.84 and 19,340.21

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Solution

The fourth proportional to 35,255.87, 48,652.84 and 19,340.21 is: 26,689.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,255.87 : 48,652.84 = 19,340.21 : x
  2. Step 2: Convert to fraction form
    35,255.87/48,652.84 = 19,340.21/x
  3. Step 3: Cross multiply
    35,255.87x = 48,652.84 × 19,340.21
  4. Step 4: Simplify right side
    35,255.87x = 940,956,046.00
  5. Step 5: Solve for x
    x = 940,956,046.00/35,255.87
  6. Step 6: Final answer
    x = 26,689.34

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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.