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Finding the Fourth Proportional to 2,064.01, 3,095.99 and 831.39

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Solution

The fourth proportional to 2,064.01, 3,095.99 and 831.39 is: 1,247.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,064.01 : 3,095.99 = 831.39 : x
  2. Step 2: Convert to fraction form
    2,064.01/3,095.99 = 831.39/x
  3. Step 3: Cross multiply
    2,064.01x = 3,095.99 × 831.39
  4. Step 4: Simplify right side
    2,064.01x = 2,573,970.97
  5. Step 5: Solve for x
    x = 2,573,970.97/2,064.01
  6. Step 6: Final answer
    x = 1,247.07

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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.