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Finding the Fourth Proportional to 13,411.52, 20,119.17 and 4,050.48

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Solution

The fourth proportional to 13,411.52, 20,119.17 and 4,050.48 is: 6,076.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,411.52 : 20,119.17 = 4,050.48 : x
  2. Step 2: Convert to fraction form
    13,411.52/20,119.17 = 4,050.48/x
  3. Step 3: Cross multiply
    13,411.52x = 20,119.17 × 4,050.48
  4. Step 4: Simplify right side
    13,411.52x = 81,492,324.06
  5. Step 5: Solve for x
    x = 81,492,324.06/13,411.52
  6. Step 6: Final answer
    x = 6,076.29

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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.