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Finding the Fourth Proportional to 35,314.34, 48,734.85 and 19,398.78

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Solution

The fourth proportional to 35,314.34, 48,734.85 and 19,398.78 is: 26,770.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,314.34 : 48,734.85 = 19,398.78 : x
  2. Step 2: Convert to fraction form
    35,314.34/48,734.85 = 19,398.78/x
  3. Step 3: Cross multiply
    35,314.34x = 48,734.85 × 19,398.78
  4. Step 4: Simplify right side
    35,314.34x = 945,396,633.48
  5. Step 5: Solve for x
    x = 945,396,633.48/35,314.34
  6. Step 6: Final answer
    x = 26,770.90

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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.