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Finding the Fourth Proportional to 58.44, 88.08 and 52.56

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Solution

The fourth proportional to 58.44, 88.08 and 52.56 is: 79.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.44 : 88.08 = 52.56 : x
  2. Step 2: Convert to fraction form
    58.44/88.08 = 52.56/x
  3. Step 3: Cross multiply
    58.44x = 88.08 × 52.56
  4. Step 4: Simplify right side
    58.44x = 4,629.48
  5. Step 5: Solve for x
    x = 4,629.48/58.44
  6. Step 6: Final answer
    x = 79.22

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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.