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Finding the Fourth Proportional to 62.60, 93.96 and 35.58

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Solution

The fourth proportional to 62.60, 93.96 and 35.58 is: 53.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.60 : 93.96 = 35.58 : x
  2. Step 2: Convert to fraction form
    62.60/93.96 = 35.58/x
  3. Step 3: Cross multiply
    62.60x = 93.96 × 35.58
  4. Step 4: Simplify right side
    62.60x = 3,343.10
  5. Step 5: Solve for x
    x = 3,343.10/62.60
  6. Step 6: Final answer
    x = 53.40

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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.