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Finding the Fourth Proportional to 35.94, 53.87 and 26.93

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Solution

The fourth proportional to 35.94, 53.87 and 26.93 is: 40.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.94 : 53.87 = 26.93 : x
  2. Step 2: Convert to fraction form
    35.94/53.87 = 26.93/x
  3. Step 3: Cross multiply
    35.94x = 53.87 × 26.93
  4. Step 4: Simplify right side
    35.94x = 1,450.72
  5. Step 5: Solve for x
    x = 1,450.72/35.94
  6. Step 6: Final answer
    x = 40.36

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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.