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Finding the Fourth Proportional to 61.63, 92.52 and 61.34

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Solution

The fourth proportional to 61.63, 92.52 and 61.34 is: 92.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    61.63 : 92.52 = 61.34 : x
  2. Step 2: Convert to fraction form
    61.63/92.52 = 61.34/x
  3. Step 3: Cross multiply
    61.63x = 92.52 × 61.34
  4. Step 4: Simplify right side
    61.63x = 5,674.71
  5. Step 5: Solve for x
    x = 5,674.71/61.63
  6. Step 6: Final answer
    x = 92.08

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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.