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Finding the Fourth Proportional to 12,844.93, 17,704.79 and 8,594.47

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Solution

The fourth proportional to 12,844.93, 17,704.79 and 8,594.47 is: 11,846.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,844.93 : 17,704.79 = 8,594.47 : x
  2. Step 2: Convert to fraction form
    12,844.93/17,704.79 = 8,594.47/x
  3. Step 3: Cross multiply
    12,844.93x = 17,704.79 × 8,594.47
  4. Step 4: Simplify right side
    12,844.93x = 152,163,346.24
  5. Step 5: Solve for x
    x = 152,163,346.24/12,844.93
  6. Step 6: Final answer
    x = 11,846.18

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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.