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Finding the Fourth Proportional to 1,962.68, 2,944.47 and 575.96

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Solution

The fourth proportional to 1,962.68, 2,944.47 and 575.96 is: 864.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962.68 : 2,944.47 = 575.96 : x
  2. Step 2: Convert to fraction form
    1,962.68/2,944.47 = 575.96/x
  3. Step 3: Cross multiply
    1,962.68x = 2,944.47 × 575.96
  4. Step 4: Simplify right side
    1,962.68x = 1,695,891.02
  5. Step 5: Solve for x
    x = 1,695,891.02/1,962.68
  6. Step 6: Final answer
    x = 864.07

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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.