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Finding the Fourth Proportional to 2,434.84, 3,652.44 and 792.16

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Solution

The fourth proportional to 2,434.84, 3,652.44 and 792.16 is: 1,188.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,434.84 : 3,652.44 = 792.16 : x
  2. Step 2: Convert to fraction form
    2,434.84/3,652.44 = 792.16/x
  3. Step 3: Cross multiply
    2,434.84x = 3,652.44 × 792.16
  4. Step 4: Simplify right side
    2,434.84x = 2,893,316.87
  5. Step 5: Solve for x
    x = 2,893,316.87/2,434.84
  6. Step 6: Final answer
    x = 1,188.30

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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.