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Finding the Fourth Proportional to 35,451.73, 48,922.76 and 19,319.18

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Solution

The fourth proportional to 35,451.73, 48,922.76 and 19,319.18 is: 26,660.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,451.73 : 48,922.76 = 19,319.18 : x
  2. Step 2: Convert to fraction form
    35,451.73/48,922.76 = 19,319.18/x
  3. Step 3: Cross multiply
    35,451.73x = 48,922.76 × 19,319.18
  4. Step 4: Simplify right side
    35,451.73x = 945,147,768.67
  5. Step 5: Solve for x
    x = 945,147,768.67/35,451.73
  6. Step 6: Final answer
    x = 26,660.13

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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.