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Finding the Fourth Proportional to 8,399.88, 12,597.39 and 2,554.92

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Solution

The fourth proportional to 8,399.88, 12,597.39 and 2,554.92 is: 3,831.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399.88 : 12,597.39 = 2,554.92 : x
  2. Step 2: Convert to fraction form
    8,399.88/12,597.39 = 2,554.92/x
  3. Step 3: Cross multiply
    8,399.88x = 12,597.39 × 2,554.92
  4. Step 4: Simplify right side
    8,399.88x = 32,185,323.66
  5. Step 5: Solve for x
    x = 32,185,323.66/8,399.88
  6. Step 6: Final answer
    x = 3,831.64

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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.