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Finding the Fourth Proportional to 26,394.79, 39,594.77 and 7,674.97

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Solution

The fourth proportional to 26,394.79, 39,594.77 and 7,674.97 is: 11,513.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,394.79 : 39,594.77 = 7,674.97 : x
  2. Step 2: Convert to fraction form
    26,394.79/39,594.77 = 7,674.97/x
  3. Step 3: Cross multiply
    26,394.79x = 39,594.77 × 7,674.97
  4. Step 4: Simplify right side
    26,394.79x = 303,888,671.91
  5. Step 5: Solve for x
    x = 303,888,671.91/26,394.79
  6. Step 6: Final answer
    x = 11,513.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.