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Finding the Fourth Proportional to 35.19, 52.70 and 35.10

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Solution

The fourth proportional to 35.19, 52.70 and 35.10 is: 52.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.19 : 52.70 = 35.10 : x
  2. Step 2: Convert to fraction form
    35.19/52.70 = 35.10/x
  3. Step 3: Cross multiply
    35.19x = 52.70 × 35.10
  4. Step 4: Simplify right side
    35.19x = 1,849.59
  5. Step 5: Solve for x
    x = 1,849.59/35.19
  6. Step 6: Final answer
    x = 52.56

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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.