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Finding the Fourth Proportional to 32.70, 49.16 and 26.02

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Solution

The fourth proportional to 32.70, 49.16 and 26.02 is: 39.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.70 : 49.16 = 26.02 : x
  2. Step 2: Convert to fraction form
    32.70/49.16 = 26.02/x
  3. Step 3: Cross multiply
    32.70x = 49.16 × 26.02
  4. Step 4: Simplify right side
    32.70x = 1,278.77
  5. Step 5: Solve for x
    x = 1,278.77/32.70
  6. Step 6: Final answer
    x = 39.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.