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Finding the Fourth Proportional to 35.04, 48.34 and 22.76

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Solution

The fourth proportional to 35.04, 48.34 and 22.76 is: 31.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.04 : 48.34 = 22.76 : x
  2. Step 2: Convert to fraction form
    35.04/48.34 = 22.76/x
  3. Step 3: Cross multiply
    35.04x = 48.34 × 22.76
  4. Step 4: Simplify right side
    35.04x = 1,100.22
  5. Step 5: Solve for x
    x = 1,100.22/35.04
  6. Step 6: Final answer
    x = 31.40

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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.