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Finding the Fourth Proportional to 39.07, 58.58 and 23.86

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Solution

The fourth proportional to 39.07, 58.58 and 23.86 is: 35.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39.07 : 58.58 = 23.86 : x
  2. Step 2: Convert to fraction form
    39.07/58.58 = 23.86/x
  3. Step 3: Cross multiply
    39.07x = 58.58 × 23.86
  4. Step 4: Simplify right side
    39.07x = 1,397.63
  5. Step 5: Solve for x
    x = 1,397.63/39.07
  6. Step 6: Final answer
    x = 35.77

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.