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Finding the Fourth Proportional to 35.04, 52.26 and 30

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Solution

The fourth proportional to 35.04, 52.26 and 30 is: 44.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.04 : 52.26 = 30 : x
  2. Step 2: Convert to fraction form
    35.04/52.26 = 30/x
  3. Step 3: Cross multiply
    35.04x = 52.26 × 30
  4. Step 4: Simplify right side
    35.04x = 1,567.80
  5. Step 5: Solve for x
    x = 1,567.80/35.04
  6. Step 6: Final answer
    x = 44.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.