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Finding the Fourth Proportional to 32.61, 45.01 and 23.86

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Solution

The fourth proportional to 32.61, 45.01 and 23.86 is: 32.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.61 : 45.01 = 23.86 : x
  2. Step 2: Convert to fraction form
    32.61/45.01 = 23.86/x
  3. Step 3: Cross multiply
    32.61x = 45.01 × 23.86
  4. Step 4: Simplify right side
    32.61x = 1,073.94
  5. Step 5: Solve for x
    x = 1,073.94/32.61
  6. Step 6: Final answer
    x = 32.93

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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.