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Finding the Fourth Proportional to 15,201.76, 22,793.44 and 7,402.72

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Solution

The fourth proportional to 15,201.76, 22,793.44 and 7,402.72 is: 11,099.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,201.76 : 22,793.44 = 7,402.72 : x
  2. Step 2: Convert to fraction form
    15,201.76/22,793.44 = 7,402.72/x
  3. Step 3: Cross multiply
    15,201.76x = 22,793.44 × 7,402.72
  4. Step 4: Simplify right side
    15,201.76x = 168,733,454.16
  5. Step 5: Solve for x
    x = 168,733,454.16/15,201.76
  6. Step 6: Final answer
    x = 11,099.60

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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.