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Finding the Fourth Proportional to 35, 52.51 and 26.46

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Solution

The fourth proportional to 35, 52.51 and 26.46 is: 39.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35 : 52.51 = 26.46 : x
  2. Step 2: Convert to fraction form
    35/52.51 = 26.46/x
  3. Step 3: Cross multiply
    35x = 52.51 × 26.46
  4. Step 4: Simplify right side
    35x = 1,389.41
  5. Step 5: Solve for x
    x = 1,389.41/35
  6. Step 6: Final answer
    x = 39.70

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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.