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Finding the Fourth Proportional to 22.94, 34.40 and 15.32

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Solution

The fourth proportional to 22.94, 34.40 and 15.32 is: 22.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.94 : 34.40 = 15.32 : x
  2. Step 2: Convert to fraction form
    22.94/34.40 = 15.32/x
  3. Step 3: Cross multiply
    22.94x = 34.40 × 15.32
  4. Step 4: Simplify right side
    22.94x = 526.76
  5. Step 5: Solve for x
    x = 526.76/22.94
  6. Step 6: Final answer
    x = 22.96

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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.