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Finding the Fourth Proportional to 8,599.92, 11,867.70 and 5,015.64

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Solution

The fourth proportional to 8,599.92, 11,867.70 and 5,015.64 is: 6,921.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,599.92 : 11,867.70 = 5,015.64 : x
  2. Step 2: Convert to fraction form
    8,599.92/11,867.70 = 5,015.64/x
  3. Step 3: Cross multiply
    8,599.92x = 11,867.70 × 5,015.64
  4. Step 4: Simplify right side
    8,599.92x = 59,524,110.83
  5. Step 5: Solve for x
    x = 59,524,110.83/8,599.92
  6. Step 6: Final answer
    x = 6,921.47

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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.