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Finding the Fourth Proportional to 19,612.58, 27,065.76 and 12,063.17

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Solution

The fourth proportional to 19,612.58, 27,065.76 and 12,063.17 is: 16,647.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,612.58 : 27,065.76 = 12,063.17 : x
  2. Step 2: Convert to fraction form
    19,612.58/27,065.76 = 12,063.17/x
  3. Step 3: Cross multiply
    19,612.58x = 27,065.76 × 12,063.17
  4. Step 4: Simplify right side
    19,612.58x = 326,498,728.73
  5. Step 5: Solve for x
    x = 326,498,728.73/19,612.58
  6. Step 6: Final answer
    x = 16,647.42

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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.