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Finding the Fourth Proportional to 22,552.53, 31,122.53 and 12,481.40

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Solution

The fourth proportional to 22,552.53, 31,122.53 and 12,481.40 is: 17,224.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,552.53 : 31,122.53 = 12,481.40 : x
  2. Step 2: Convert to fraction form
    22,552.53/31,122.53 = 12,481.40/x
  3. Step 3: Cross multiply
    22,552.53x = 31,122.53 × 12,481.40
  4. Step 4: Simplify right side
    22,552.53x = 388,452,527.92
  5. Step 5: Solve for x
    x = 388,452,527.92/22,552.53
  6. Step 6: Final answer
    x = 17,224.34

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1.5x scale

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.