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Finding the Fourth Proportional to 19,227.84, 28,831.44 and 5,898.48

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Solution

The fourth proportional to 19,227.84, 28,831.44 and 5,898.48 is: 8,844.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,227.84 : 28,831.44 = 5,898.48 : x
  2. Step 2: Convert to fraction form
    19,227.84/28,831.44 = 5,898.48/x
  3. Step 3: Cross multiply
    19,227.84x = 28,831.44 × 5,898.48
  4. Step 4: Simplify right side
    19,227.84x = 170,061,672.21
  5. Step 5: Solve for x
    x = 170,061,672.21/19,227.84
  6. Step 6: Final answer
    x = 8,844.55

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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.