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Finding the Fourth Proportional to 19,467, 26,864.46 and 11,083.50

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Solution

The fourth proportional to 19,467, 26,864.46 and 11,083.50 is: 15,295.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,467 : 26,864.46 = 11,083.50 : x
  2. Step 2: Convert to fraction form
    19,467/26,864.46 = 11,083.50/x
  3. Step 3: Cross multiply
    19,467x = 26,864.46 × 11,083.50
  4. Step 4: Simplify right side
    19,467x = 297,752,242.41
  5. Step 5: Solve for x
    x = 297,752,242.41/19,467
  6. Step 6: Final answer
    x = 15,295.23

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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.