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Finding the Fourth Proportional to 63.53, 95.66 and 56.00

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Solution

The fourth proportional to 63.53, 95.66 and 56.00 is: 84.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.53 : 95.66 = 56.00 : x
  2. Step 2: Convert to fraction form
    63.53/95.66 = 56.00/x
  3. Step 3: Cross multiply
    63.53x = 95.66 × 56.00
  4. Step 4: Simplify right side
    63.53x = 5,357.13
  5. Step 5: Solve for x
    x = 5,357.13/63.53
  6. Step 6: Final answer
    x = 84.33

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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.