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Finding the Fourth Proportional to 35,319.82, 48,739.82 and 19,403.92

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Solution

The fourth proportional to 35,319.82, 48,739.82 and 19,403.92 is: 26,776.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,319.82 : 48,739.82 = 19,403.92 : x
  2. Step 2: Convert to fraction form
    35,319.82/48,739.82 = 19,403.92/x
  3. Step 3: Cross multiply
    35,319.82x = 48,739.82 × 19,403.92
  4. Step 4: Simplify right side
    35,319.82x = 945,743,568.09
  5. Step 5: Solve for x
    x = 945,743,568.09/35,319.82
  6. Step 6: Final answer
    x = 26,776.57

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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.