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Finding the Fourth Proportional to 26,683, 36,823.28 and 14,747.11

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Solution

The fourth proportional to 26,683, 36,823.28 and 14,747.11 is: 20,351.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,683 : 36,823.28 = 14,747.11 : x
  2. Step 2: Convert to fraction form
    26,683/36,823.28 = 14,747.11/x
  3. Step 3: Cross multiply
    26,683x = 36,823.28 × 14,747.11
  4. Step 4: Simplify right side
    26,683x = 543,036,886.99
  5. Step 5: Solve for x
    x = 543,036,886.99/26,683
  6. Step 6: Final answer
    x = 20,351.42

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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.