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Finding the Fourth Proportional to 35,322.50, 48,744.90 and 19,189.73

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Solution

The fourth proportional to 35,322.50, 48,744.90 and 19,189.73 is: 26,481.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,322.50 : 48,744.90 = 19,189.73 : x
  2. Step 2: Convert to fraction form
    35,322.50/48,744.90 = 19,189.73/x
  3. Step 3: Cross multiply
    35,322.50x = 48,744.90 × 19,189.73
  4. Step 4: Simplify right side
    35,322.50x = 935,401,226.15
  5. Step 5: Solve for x
    x = 935,401,226.15/35,322.50
  6. Step 6: Final answer
    x = 26,481.74

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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.