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Finding the Fourth Proportional to 39.56, 59.54 and 35.83

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Solution

The fourth proportional to 39.56, 59.54 and 35.83 is: 53.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39.56 : 59.54 = 35.83 : x
  2. Step 2: Convert to fraction form
    39.56/59.54 = 35.83/x
  3. Step 3: Cross multiply
    39.56x = 59.54 × 35.83
  4. Step 4: Simplify right side
    39.56x = 2,133.32
  5. Step 5: Solve for x
    x = 2,133.32/39.56
  6. Step 6: Final answer
    x = 53.93

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.