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Finding the Fourth Proportional to 14,370.83, 19,831.25 and 8,081.99

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Solution

The fourth proportional to 14,370.83, 19,831.25 and 8,081.99 is: 11,152.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,370.83 : 19,831.25 = 8,081.99 : x
  2. Step 2: Convert to fraction form
    14,370.83/19,831.25 = 8,081.99/x
  3. Step 3: Cross multiply
    14,370.83x = 19,831.25 × 8,081.99
  4. Step 4: Simplify right side
    14,370.83x = 160,275,885.24
  5. Step 5: Solve for x
    x = 160,275,885.24/14,370.83
  6. Step 6: Final answer
    x = 11,152.87

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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.