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Finding the Fourth Proportional to 3,332.92, 4,992.64 and 2,015.92

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Solution

The fourth proportional to 3,332.92, 4,992.64 and 2,015.92 is: 3,019.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,332.92 : 4,992.64 = 2,015.92 : x
  2. Step 2: Convert to fraction form
    3,332.92/4,992.64 = 2,015.92/x
  3. Step 3: Cross multiply
    3,332.92x = 4,992.64 × 2,015.92
  4. Step 4: Simplify right side
    3,332.92x = 10,064,762.83
  5. Step 5: Solve for x
    x = 10,064,762.83/3,332.92
  6. Step 6: Final answer
    x = 3,019.80

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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.