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Finding the Fourth Proportional to 40.57, 55.99 and 26.03

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Solution

The fourth proportional to 40.57, 55.99 and 26.03 is: 35.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40.57 : 55.99 = 26.03 : x
  2. Step 2: Convert to fraction form
    40.57/55.99 = 26.03/x
  3. Step 3: Cross multiply
    40.57x = 55.99 × 26.03
  4. Step 4: Simplify right side
    40.57x = 1,457.14
  5. Step 5: Solve for x
    x = 1,457.14/40.57
  6. Step 6: Final answer
    x = 35.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.