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Finding the Fourth Proportional to 35,279.60, 48,687.60 and 19,363.92

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Solution

The fourth proportional to 35,279.60, 48,687.60 and 19,363.92 is: 26,723.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,279.60 : 48,687.60 = 19,363.92 : x
  2. Step 2: Convert to fraction form
    35,279.60/48,687.60 = 19,363.92/x
  3. Step 3: Cross multiply
    35,279.60x = 48,687.60 × 19,363.92
  4. Step 4: Simplify right side
    35,279.60x = 942,782,791.39
  5. Step 5: Solve for x
    x = 942,782,791.39/35,279.60
  6. Step 6: Final answer
    x = 26,723.17

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1.5x scale

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.