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Finding the Fourth Proportional to 58.01, 86.93 and 44.45

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Solution

The fourth proportional to 58.01, 86.93 and 44.45 is: 66.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.01 : 86.93 = 44.45 : x
  2. Step 2: Convert to fraction form
    58.01/86.93 = 44.45/x
  3. Step 3: Cross multiply
    58.01x = 86.93 × 44.45
  4. Step 4: Simplify right side
    58.01x = 3,863.60
  5. Step 5: Solve for x
    x = 3,863.60/58.01
  6. Step 6: Final answer
    x = 66.60

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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.