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Finding the Fourth Proportional to 3,062.01, 4,593.19 and 870.56

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Solution

The fourth proportional to 3,062.01, 4,593.19 and 870.56 is: 1,305.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,062.01 : 4,593.19 = 870.56 : x
  2. Step 2: Convert to fraction form
    3,062.01/4,593.19 = 870.56/x
  3. Step 3: Cross multiply
    3,062.01x = 4,593.19 × 870.56
  4. Step 4: Simplify right side
    3,062.01x = 3,998,656.79
  5. Step 5: Solve for x
    x = 3,998,656.79/3,062.01
  6. Step 6: Final answer
    x = 1,305.89

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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.