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Finding the Fourth Proportional to 16,265.70, 22,821.19 and 16,265.70

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Solution

The fourth proportional to 16,265.70, 22,821.19 and 16,265.70 is: 22,821.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,265.70 : 22,821.19 = 16,265.70 : x
  2. Step 2: Convert to fraction form
    16,265.70/22,821.19 = 16,265.70/x
  3. Step 3: Cross multiply
    16,265.70x = 22,821.19 × 16,265.70
  4. Step 4: Simplify right side
    16,265.70x = 371,202,589.52
  5. Step 5: Solve for x
    x = 371,202,589.52/16,265.70
  6. Step 6: Final answer
    x = 22,821.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.