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Finding the Fourth Proportional to 62.34, 93.07 and 56.67

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Solution

The fourth proportional to 62.34, 93.07 and 56.67 is: 84.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.34 : 93.07 = 56.67 : x
  2. Step 2: Convert to fraction form
    62.34/93.07 = 56.67/x
  3. Step 3: Cross multiply
    62.34x = 93.07 × 56.67
  4. Step 4: Simplify right side
    62.34x = 5,274.14
  5. Step 5: Solve for x
    x = 5,274.14/62.34
  6. Step 6: Final answer
    x = 84.60

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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.