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Finding the Fourth Proportional to 8,993.39, 12,414.93 and 6,599.13

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Solution

The fourth proportional to 8,993.39, 12,414.93 and 6,599.13 is: 9,109.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,993.39 : 12,414.93 = 6,599.13 : x
  2. Step 2: Convert to fraction form
    8,993.39/12,414.93 = 6,599.13/x
  3. Step 3: Cross multiply
    8,993.39x = 12,414.93 × 6,599.13
  4. Step 4: Simplify right side
    8,993.39x = 81,927,735.54
  5. Step 5: Solve for x
    x = 81,927,735.54/8,993.39
  6. Step 6: Final answer
    x = 9,109.77

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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.