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Finding the Fourth Proportional to 8,398.82, 12,601.66 and 5,928.32

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Solution

The fourth proportional to 8,398.82, 12,601.66 and 5,928.32 is: 8,894.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398.82 : 12,601.66 = 5,928.32 : x
  2. Step 2: Convert to fraction form
    8,398.82/12,601.66 = 5,928.32/x
  3. Step 3: Cross multiply
    8,398.82x = 12,601.66 × 5,928.32
  4. Step 4: Simplify right side
    8,398.82x = 74,706,673.01
  5. Step 5: Solve for x
    x = 74,706,673.01/8,398.82
  6. Step 6: Final answer
    x = 8,894.90

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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.