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Finding the Fourth Proportional to 2,435.87, 3,653.01 and 792.06

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Solution

The fourth proportional to 2,435.87, 3,653.01 and 792.06 is: 1,187.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,435.87 : 3,653.01 = 792.06 : x
  2. Step 2: Convert to fraction form
    2,435.87/3,653.01 = 792.06/x
  3. Step 3: Cross multiply
    2,435.87x = 3,653.01 × 792.06
  4. Step 4: Simplify right side
    2,435.87x = 2,893,403.10
  5. Step 5: Solve for x
    x = 2,893,403.10/2,435.87
  6. Step 6: Final answer
    x = 1,187.83

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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.