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Finding the Fourth Proportional to 35.04, 48.35 and 22.10

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Solution

The fourth proportional to 35.04, 48.35 and 22.10 is: 30.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.04 : 48.35 = 22.10 : x
  2. Step 2: Convert to fraction form
    35.04/48.35 = 22.10/x
  3. Step 3: Cross multiply
    35.04x = 48.35 × 22.10
  4. Step 4: Simplify right side
    35.04x = 1,068.54
  5. Step 5: Solve for x
    x = 1,068.54/35.04
  6. Step 6: Final answer
    x = 30.49

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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.