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Finding the Fourth Proportional to 35.34, 48.80 and 32.42

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Solution

The fourth proportional to 35.34, 48.80 and 32.42 is: 44.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.34 : 48.80 = 32.42 : x
  2. Step 2: Convert to fraction form
    35.34/48.80 = 32.42/x
  3. Step 3: Cross multiply
    35.34x = 48.80 × 32.42
  4. Step 4: Simplify right side
    35.34x = 1,582.10
  5. Step 5: Solve for x
    x = 1,582.10/35.34
  6. Step 6: Final answer
    x = 44.77

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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.