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Finding the Fourth Proportional to 5,019.92, 6,925.68 and 3,029

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Solution

The fourth proportional to 5,019.92, 6,925.68 and 3,029 is: 4,178.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,019.92 : 6,925.68 = 3,029 : x
  2. Step 2: Convert to fraction form
    5,019.92/6,925.68 = 3,029/x
  3. Step 3: Cross multiply
    5,019.92x = 6,925.68 × 3,029
  4. Step 4: Simplify right side
    5,019.92x = 20,977,884.72
  5. Step 5: Solve for x
    x = 20,977,884.72/5,019.92
  6. Step 6: Final answer
    x = 4,178.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.