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Finding the Fourth Proportional to 32.99, 49.76 and 32.92

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Solution

The fourth proportional to 32.99, 49.76 and 32.92 is: 49.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.99 : 49.76 = 32.92 : x
  2. Step 2: Convert to fraction form
    32.99/49.76 = 32.92/x
  3. Step 3: Cross multiply
    32.99x = 49.76 × 32.92
  4. Step 4: Simplify right side
    32.99x = 1,637.93
  5. Step 5: Solve for x
    x = 1,637.93/32.99
  6. Step 6: Final answer
    x = 49.66

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.