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Finding the Fourth Proportional to 58.64, 88.12 and 44.56

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Solution

The fourth proportional to 58.64, 88.12 and 44.56 is: 66.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.64 : 88.12 = 44.56 : x
  2. Step 2: Convert to fraction form
    58.64/88.12 = 44.56/x
  3. Step 3: Cross multiply
    58.64x = 88.12 × 44.56
  4. Step 4: Simplify right side
    58.64x = 3,926.63
  5. Step 5: Solve for x
    x = 3,926.63/58.64
  6. Step 6: Final answer
    x = 66.96

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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.