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Finding the Fourth Proportional to 2,435.87, 3,654.35 and 792.38

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Solution

The fourth proportional to 2,435.87, 3,654.35 and 792.38 is: 1,188.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,435.87 : 3,654.35 = 792.38 : x
  2. Step 2: Convert to fraction form
    2,435.87/3,654.35 = 792.38/x
  3. Step 3: Cross multiply
    2,435.87x = 3,654.35 × 792.38
  4. Step 4: Simplify right side
    2,435.87x = 2,895,642.00
  5. Step 5: Solve for x
    x = 2,895,642.00/2,435.87
  6. Step 6: Final answer
    x = 1,188.75

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1.5x scale

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.