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Finding the Fourth Proportional to 35.68, 49.33 and 35.10

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Solution

The fourth proportional to 35.68, 49.33 and 35.10 is: 48.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.68 : 49.33 = 35.10 : x
  2. Step 2: Convert to fraction form
    35.68/49.33 = 35.10/x
  3. Step 3: Cross multiply
    35.68x = 49.33 × 35.10
  4. Step 4: Simplify right side
    35.68x = 1,731.51
  5. Step 5: Solve for x
    x = 1,731.51/35.68
  6. Step 6: Final answer
    x = 48.53

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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.