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Finding the Fourth Proportional to 35.55, 48.96 and 35.46

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Solution

The fourth proportional to 35.55, 48.96 and 35.46 is: 48.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.55 : 48.96 = 35.46 : x
  2. Step 2: Convert to fraction form
    35.55/48.96 = 35.46/x
  3. Step 3: Cross multiply
    35.55x = 48.96 × 35.46
  4. Step 4: Simplify right side
    35.55x = 1,736.12
  5. Step 5: Solve for x
    x = 1,736.12/35.55
  6. Step 6: Final answer
    x = 48.84

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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.