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Finding the Fourth Proportional to 2,335.81, 3,505.10 and 949.04

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Solution

The fourth proportional to 2,335.81, 3,505.10 and 949.04 is: 1,424.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,335.81 : 3,505.10 = 949.04 : x
  2. Step 2: Convert to fraction form
    2,335.81/3,505.10 = 949.04/x
  3. Step 3: Cross multiply
    2,335.81x = 3,505.10 × 949.04
  4. Step 4: Simplify right side
    2,335.81x = 3,326,484.12
  5. Step 5: Solve for x
    x = 3,326,484.12/2,335.81
  6. Step 6: Final answer
    x = 1,424.12

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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.