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Finding the Fourth Proportional to 2,435.38, 3,653.06 and 974.87

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Solution

The fourth proportional to 2,435.38, 3,653.06 and 974.87 is: 1,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,435.38 : 3,653.06 = 974.87 : x
  2. Step 2: Convert to fraction form
    2,435.38/3,653.06 = 974.87/x
  3. Step 3: Cross multiply
    2,435.38x = 3,653.06 × 974.87
  4. Step 4: Simplify right side
    2,435.38x = 3,561,258.60
  5. Step 5: Solve for x
    x = 3,561,258.60/2,435.38
  6. Step 6: Final answer
    x = 1,462.30

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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.