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Finding the Fourth Proportional to 12,594.39, 18,891.61 and 4,696.79

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Solution

The fourth proportional to 12,594.39, 18,891.61 and 4,696.79 is: 7,045.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,594.39 : 18,891.61 = 4,696.79 : x
  2. Step 2: Convert to fraction form
    12,594.39/18,891.61 = 4,696.79/x
  3. Step 3: Cross multiply
    12,594.39x = 18,891.61 × 4,696.79
  4. Step 4: Simplify right side
    12,594.39x = 88,729,924.93
  5. Step 5: Solve for x
    x = 88,729,924.93/12,594.39
  6. Step 6: Final answer
    x = 7,045.19

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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.