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Finding the Fourth Proportional to 22,371.84, 33,543.04 and 12,512.16

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Solution

The fourth proportional to 22,371.84, 33,543.04 and 12,512.16 is: 18,760.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,371.84 : 33,543.04 = 12,512.16 : x
  2. Step 2: Convert to fraction form
    22,371.84/33,543.04 = 12,512.16/x
  3. Step 3: Cross multiply
    22,371.84x = 33,543.04 × 12,512.16
  4. Step 4: Simplify right side
    22,371.84x = 419,695,883.37
  5. Step 5: Solve for x
    x = 419,695,883.37/22,371.84
  6. Step 6: Final answer
    x = 18,760.01

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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.