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Finding the Fourth Proportional to 8,601.39, 12,904.11 and 3,054.51

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Solution

The fourth proportional to 8,601.39, 12,904.11 and 3,054.51 is: 4,582.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,601.39 : 12,904.11 = 3,054.51 : x
  2. Step 2: Convert to fraction form
    8,601.39/12,904.11 = 3,054.51/x
  3. Step 3: Cross multiply
    8,601.39x = 12,904.11 × 3,054.51
  4. Step 4: Simplify right side
    8,601.39x = 39,415,733.04
  5. Step 5: Solve for x
    x = 39,415,733.04/8,601.39
  6. Step 6: Final answer
    x = 4,582.48

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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.