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Finding the Fourth Proportional to 32.63, 45.07 and 23.42

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Solution

The fourth proportional to 32.63, 45.07 and 23.42 is: 32.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.63 : 45.07 = 23.42 : x
  2. Step 2: Convert to fraction form
    32.63/45.07 = 23.42/x
  3. Step 3: Cross multiply
    32.63x = 45.07 × 23.42
  4. Step 4: Simplify right side
    32.63x = 1,055.31
  5. Step 5: Solve for x
    x = 1,055.31/32.63
  6. Step 6: Final answer
    x = 32.34

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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.