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Finding the Fourth Proportional to 22,489.56, 33,734.40 and 12,500.52

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Solution

The fourth proportional to 22,489.56, 33,734.40 and 12,500.52 is: 18,750.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,489.56 : 33,734.40 = 12,500.52 : x
  2. Step 2: Convert to fraction form
    22,489.56/33,734.40 = 12,500.52/x
  3. Step 3: Cross multiply
    22,489.56x = 33,734.40 × 12,500.52
  4. Step 4: Simplify right side
    22,489.56x = 421,697,541.89
  5. Step 5: Solve for x
    x = 421,697,541.89/22,489.56
  6. Step 6: Final answer
    x = 18,750.81

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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.