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Finding the Fourth Proportional to 3,062.79, 4,593.21 and 1,307.76

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Solution

The fourth proportional to 3,062.79, 4,593.21 and 1,307.76 is: 1,961.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,062.79 : 4,593.21 = 1,307.76 : x
  2. Step 2: Convert to fraction form
    3,062.79/4,593.21 = 1,307.76/x
  3. Step 3: Cross multiply
    3,062.79x = 4,593.21 × 1,307.76
  4. Step 4: Simplify right side
    3,062.79x = 6,006,816.31
  5. Step 5: Solve for x
    x = 6,006,816.31/3,062.79
  6. Step 6: Final answer
    x = 1,961.22

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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.