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Finding the Fourth Proportional to 12,594.69, 18,888.80 and 3,824.82

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Solution

The fourth proportional to 12,594.69, 18,888.80 and 3,824.82 is: 5,736.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,594.69 : 18,888.80 = 3,824.82 : x
  2. Step 2: Convert to fraction form
    12,594.69/18,888.80 = 3,824.82/x
  3. Step 3: Cross multiply
    12,594.69x = 18,888.80 × 3,824.82
  4. Step 4: Simplify right side
    12,594.69x = 72,246,240.89
  5. Step 5: Solve for x
    x = 72,246,240.89/12,594.69
  6. Step 6: Final answer
    x = 5,736.25

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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.