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Finding the Fourth Proportional to 32.95, 45.57 and 29.32

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Solution

The fourth proportional to 32.95, 45.57 and 29.32 is: 40.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.95 : 45.57 = 29.32 : x
  2. Step 2: Convert to fraction form
    32.95/45.57 = 29.32/x
  3. Step 3: Cross multiply
    32.95x = 45.57 × 29.32
  4. Step 4: Simplify right side
    32.95x = 1,336.11
  5. Step 5: Solve for x
    x = 1,336.11/32.95
  6. Step 6: Final answer
    x = 40.55

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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.