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Finding the Fourth Proportional to 27,831.25, 41,642.04 and 19,527.67

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Solution

The fourth proportional to 27,831.25, 41,642.04 and 19,527.67 is: 29,217.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,831.25 : 41,642.04 = 19,527.67 : x
  2. Step 2: Convert to fraction form
    27,831.25/41,642.04 = 19,527.67/x
  3. Step 3: Cross multiply
    27,831.25x = 41,642.04 × 19,527.67
  4. Step 4: Simplify right side
    27,831.25x = 813,172,015.25
  5. Step 5: Solve for x
    x = 813,172,015.25/27,831.25
  6. Step 6: Final answer
    x = 29,217.95

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1.5x scale

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.