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Finding the Fourth Proportional to 35.07, 52.60 and 15.83

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Solution

The fourth proportional to 35.07, 52.60 and 15.83 is: 23.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.07 : 52.60 = 15.83 : x
  2. Step 2: Convert to fraction form
    35.07/52.60 = 15.83/x
  3. Step 3: Cross multiply
    35.07x = 52.60 × 15.83
  4. Step 4: Simplify right side
    35.07x = 832.79
  5. Step 5: Solve for x
    x = 832.79/35.07
  6. Step 6: Final answer
    x = 23.75

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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.