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Finding the Fourth Proportional to 29,212.76, 43,820.55 and 8,152.76

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Solution

The fourth proportional to 29,212.76, 43,820.55 and 8,152.76 is: 12,229.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,212.76 : 43,820.55 = 8,152.76 : x
  2. Step 2: Convert to fraction form
    29,212.76/43,820.55 = 8,152.76/x
  3. Step 3: Cross multiply
    29,212.76x = 43,820.55 × 8,152.76
  4. Step 4: Simplify right side
    29,212.76x = 357,258,427.22
  5. Step 5: Solve for x
    x = 357,258,427.22/29,212.76
  6. Step 6: Final answer
    x = 12,229.53

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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.