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Finding the Fourth Proportional to 51,953.76, 71,697.84 and 29,599.20

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Solution

The fourth proportional to 51,953.76, 71,697.84 and 29,599.20 is: 40,847.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,953.76 : 71,697.84 = 29,599.20 : x
  2. Step 2: Convert to fraction form
    51,953.76/71,697.84 = 29,599.20/x
  3. Step 3: Cross multiply
    51,953.76x = 71,697.84 × 29,599.20
  4. Step 4: Simplify right side
    51,953.76x = 2,122,198,705.73
  5. Step 5: Solve for x
    x = 2,122,198,705.73/51,953.76
  6. Step 6: Final answer
    x = 40,847.84

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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.