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Finding the Fourth Proportional to 35.60, 53.41 and 11.23

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Solution

The fourth proportional to 35.60, 53.41 and 11.23 is: 16.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.60 : 53.41 = 11.23 : x
  2. Step 2: Convert to fraction form
    35.60/53.41 = 11.23/x
  3. Step 3: Cross multiply
    35.60x = 53.41 × 11.23
  4. Step 4: Simplify right side
    35.60x = 599.53
  5. Step 5: Solve for x
    x = 599.53/35.60
  6. Step 6: Final answer
    x = 16.84

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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.