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Finding the Fourth Proportional to 95.60, 131.93 and 51.93

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Solution

The fourth proportional to 95.60, 131.93 and 51.93 is: 71.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.60 : 131.93 = 51.93 : x
  2. Step 2: Convert to fraction form
    95.60/131.93 = 51.93/x
  3. Step 3: Cross multiply
    95.60x = 131.93 × 51.93
  4. Step 4: Simplify right side
    95.60x = 6,851.36
  5. Step 5: Solve for x
    x = 6,851.36/95.60
  6. Step 6: Final answer
    x = 71.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.