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Finding the Fourth Proportional to 62.94, 93.75 and 60.66

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Solution

The fourth proportional to 62.94, 93.75 and 60.66 is: 90.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.94 : 93.75 = 60.66 : x
  2. Step 2: Convert to fraction form
    62.94/93.75 = 60.66/x
  3. Step 3: Cross multiply
    62.94x = 93.75 × 60.66
  4. Step 4: Simplify right side
    62.94x = 5,686.88
  5. Step 5: Solve for x
    x = 5,686.88/62.94
  6. Step 6: Final answer
    x = 90.35

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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.