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Finding the Fourth Proportional to 63.07, 94.53 and 56.32

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Solution

The fourth proportional to 63.07, 94.53 and 56.32 is: 84.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.07 : 94.53 = 56.32 : x
  2. Step 2: Convert to fraction form
    63.07/94.53 = 56.32/x
  3. Step 3: Cross multiply
    63.07x = 94.53 × 56.32
  4. Step 4: Simplify right side
    63.07x = 5,323.90
  5. Step 5: Solve for x
    x = 5,323.90/63.07
  6. Step 6: Final answer
    x = 84.42

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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.