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Finding the Fourth Proportional to 22.59, 31.07 and 17.93

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Solution

The fourth proportional to 22.59, 31.07 and 17.93 is: 24.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.59 : 31.07 = 17.93 : x
  2. Step 2: Convert to fraction form
    22.59/31.07 = 17.93/x
  3. Step 3: Cross multiply
    22.59x = 31.07 × 17.93
  4. Step 4: Simplify right side
    22.59x = 557.00
  5. Step 5: Solve for x
    x = 557.00/22.59
  6. Step 6: Final answer
    x = 24.66

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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.