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Finding the Fourth Proportional to 17,717.70, 26,616.15 and 14,801.70

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Solution

The fourth proportional to 17,717.70, 26,616.15 and 14,801.70 is: 22,235.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,717.70 : 26,616.15 = 14,801.70 : x
  2. Step 2: Convert to fraction form
    17,717.70/26,616.15 = 14,801.70/x
  3. Step 3: Cross multiply
    17,717.70x = 26,616.15 × 14,801.70
  4. Step 4: Simplify right side
    17,717.70x = 393,964,267.46
  5. Step 5: Solve for x
    x = 393,964,267.46/17,717.70
  6. Step 6: Final answer
    x = 22,235.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.