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Finding the Fourth Proportional to 62.16, 92.64 and 62.07

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Solution

The fourth proportional to 62.16, 92.64 and 62.07 is: 92.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.16 : 92.64 = 62.07 : x
  2. Step 2: Convert to fraction form
    62.16/92.64 = 62.07/x
  3. Step 3: Cross multiply
    62.16x = 92.64 × 62.07
  4. Step 4: Simplify right side
    62.16x = 5,750.16
  5. Step 5: Solve for x
    x = 5,750.16/62.16
  6. Step 6: Final answer
    x = 92.51

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Why These Related Problems?

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