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Finding the Fourth Proportional to 3,659.02, 5,488.16 and 1,578.94

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Solution

The fourth proportional to 3,659.02, 5,488.16 and 1,578.94 is: 2,368.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,659.02 : 5,488.16 = 1,578.94 : x
  2. Step 2: Convert to fraction form
    3,659.02/5,488.16 = 1,578.94/x
  3. Step 3: Cross multiply
    3,659.02x = 5,488.16 × 1,578.94
  4. Step 4: Simplify right side
    3,659.02x = 8,665,475.35
  5. Step 5: Solve for x
    x = 8,665,475.35/3,659.02
  6. Step 6: Final answer
    x = 2,368.25

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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.