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Finding the Fourth Proportional to 62.53, 93.61 and 35.40

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Solution

The fourth proportional to 62.53, 93.61 and 35.40 is: 53.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.53 : 93.61 = 35.40 : x
  2. Step 2: Convert to fraction form
    62.53/93.61 = 35.40/x
  3. Step 3: Cross multiply
    62.53x = 93.61 × 35.40
  4. Step 4: Simplify right side
    62.53x = 3,313.79
  5. Step 5: Solve for x
    x = 3,313.79/62.53
  6. Step 6: Final answer
    x = 53.00

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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.