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Finding the Fourth Proportional to 2,435.63, 3,653.75 and 792.35

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Solution

The fourth proportional to 2,435.63, 3,653.75 and 792.35 is: 1,188.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,435.63 : 3,653.75 = 792.35 : x
  2. Step 2: Convert to fraction form
    2,435.63/3,653.75 = 792.35/x
  3. Step 3: Cross multiply
    2,435.63x = 3,653.75 × 792.35
  4. Step 4: Simplify right side
    2,435.63x = 2,895,048.81
  5. Step 5: Solve for x
    x = 2,895,048.81/2,435.63
  6. Step 6: Final answer
    x = 1,188.62

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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.