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Finding the Fourth Proportional to 64.06, 95.65 and 58.29

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Solution

The fourth proportional to 64.06, 95.65 and 58.29 is: 87.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.06 : 95.65 = 58.29 : x
  2. Step 2: Convert to fraction form
    64.06/95.65 = 58.29/x
  3. Step 3: Cross multiply
    64.06x = 95.65 × 58.29
  4. Step 4: Simplify right side
    64.06x = 5,574.93
  5. Step 5: Solve for x
    x = 5,574.93/64.06
  6. Step 6: Final answer
    x = 87.03

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.