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Finding the Fourth Proportional to 1,579.68, 2,384.28 and 1,579.68

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Solution

The fourth proportional to 1,579.68, 2,384.28 and 1,579.68 is: 2,384.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579.68 : 2,384.28 = 1,579.68 : x
  2. Step 2: Convert to fraction form
    1,579.68/2,384.28 = 1,579.68/x
  3. Step 3: Cross multiply
    1,579.68x = 2,384.28 × 1,579.68
  4. Step 4: Simplify right side
    1,579.68x = 3,766,399.43
  5. Step 5: Solve for x
    x = 3,766,399.43/1,579.68
  6. Step 6: Final answer
    x = 2,384.28

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.