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Finding the Fourth Proportional to 19,594.35, 27,046.35 and 12,520.80

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Solution

The fourth proportional to 19,594.35, 27,046.35 and 12,520.80 is: 17,282.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,594.35 : 27,046.35 = 12,520.80 : x
  2. Step 2: Convert to fraction form
    19,594.35/27,046.35 = 12,520.80/x
  3. Step 3: Cross multiply
    19,594.35x = 27,046.35 × 12,520.80
  4. Step 4: Simplify right side
    19,594.35x = 338,641,939.08
  5. Step 5: Solve for x
    x = 338,641,939.08/19,594.35
  6. Step 6: Final answer
    x = 17,282.63

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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.