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Finding the Fourth Proportional to 93.33, 140 and 35.58

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Solution

The fourth proportional to 93.33, 140 and 35.58 is: 53.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.33 : 140 = 35.58 : x
  2. Step 2: Convert to fraction form
    93.33/140 = 35.58/x
  3. Step 3: Cross multiply
    93.33x = 140 × 35.58
  4. Step 4: Simplify right side
    93.33x = 4,981.20
  5. Step 5: Solve for x
    x = 4,981.20/93.33
  6. Step 6: Final answer
    x = 53.37

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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.