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Finding the Fourth Proportional to 22,768.79, 34,174.52 and 14,020.79

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Solution

The fourth proportional to 22,768.79, 34,174.52 and 14,020.79 is: 21,044.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,768.79 : 34,174.52 = 14,020.79 : x
  2. Step 2: Convert to fraction form
    22,768.79/34,174.52 = 14,020.79/x
  3. Step 3: Cross multiply
    22,768.79x = 34,174.52 × 14,020.79
  4. Step 4: Simplify right side
    22,768.79x = 479,153,698.17
  5. Step 5: Solve for x
    x = 479,153,698.17/22,768.79
  6. Step 6: Final answer
    x = 21,044.32

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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.