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Finding the Fourth Proportional to 35,451.74, 48,922.78 and 19,319.19

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Solution

The fourth proportional to 35,451.74, 48,922.78 and 19,319.19 is: 26,660.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,451.74 : 48,922.78 = 19,319.19 : x
  2. Step 2: Convert to fraction form
    35,451.74/48,922.78 = 19,319.19/x
  3. Step 3: Cross multiply
    35,451.74x = 48,922.78 × 19,319.19
  4. Step 4: Simplify right side
    35,451.74x = 945,148,507.86
  5. Step 5: Solve for x
    x = 945,148,507.86/35,451.74
  6. Step 6: Final answer
    x = 26,660.14

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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.