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Finding the Fourth Proportional to 32.95, 45.42 and 23.23

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Solution

The fourth proportional to 32.95, 45.42 and 23.23 is: 32.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.95 : 45.42 = 23.23 : x
  2. Step 2: Convert to fraction form
    32.95/45.42 = 23.23/x
  3. Step 3: Cross multiply
    32.95x = 45.42 × 23.23
  4. Step 4: Simplify right side
    32.95x = 1,055.11
  5. Step 5: Solve for x
    x = 1,055.11/32.95
  6. Step 6: Final answer
    x = 32.02

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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.