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Finding the Fourth Proportional to 3,459.64, 5,193.44 and 2,844.40

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Solution

The fourth proportional to 3,459.64, 5,193.44 and 2,844.40 is: 4,269.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.64 : 5,193.44 = 2,844.40 : x
  2. Step 2: Convert to fraction form
    3,459.64/5,193.44 = 2,844.40/x
  3. Step 3: Cross multiply
    3,459.64x = 5,193.44 × 2,844.40
  4. Step 4: Simplify right side
    3,459.64x = 14,772,220.74
  5. Step 5: Solve for x
    x = 14,772,220.74/3,459.64
  6. Step 6: Final answer
    x = 4,269.87

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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.