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Finding the Fourth Proportional to 35.55, 53.26 and 17.46

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Solution

The fourth proportional to 35.55, 53.26 and 17.46 is: 26.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.55 : 53.26 = 17.46 : x
  2. Step 2: Convert to fraction form
    35.55/53.26 = 17.46/x
  3. Step 3: Cross multiply
    35.55x = 53.26 × 17.46
  4. Step 4: Simplify right side
    35.55x = 929.88
  5. Step 5: Solve for x
    x = 929.88/35.55
  6. Step 6: Final answer
    x = 26.16

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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.