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Finding the Fourth Proportional to 45,481.34, 68,245.70 and 34,384.74

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Solution

The fourth proportional to 45,481.34, 68,245.70 and 34,384.74 is: 51,595.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,481.34 : 68,245.70 = 34,384.74 : x
  2. Step 2: Convert to fraction form
    45,481.34/68,245.70 = 34,384.74/x
  3. Step 3: Cross multiply
    45,481.34x = 68,245.70 × 34,384.74
  4. Step 4: Simplify right side
    45,481.34x = 2,346,610,650.62
  5. Step 5: Solve for x
    x = 2,346,610,650.62/45,481.34
  6. Step 6: Final answer
    x = 51,595.02

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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.