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Finding the Fourth Proportional to 45,404.70, 68,107.05 and 45,404.70

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Solution

The fourth proportional to 45,404.70, 68,107.05 and 45,404.70 is: 68,107.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,404.70 : 68,107.05 = 45,404.70 : x
  2. Step 2: Convert to fraction form
    45,404.70/68,107.05 = 45,404.70/x
  3. Step 3: Cross multiply
    45,404.70x = 68,107.05 × 45,404.70
  4. Step 4: Simplify right side
    45,404.70x = 3,092,380,173.14
  5. Step 5: Solve for x
    x = 3,092,380,173.14/45,404.70
  6. Step 6: Final answer
    x = 68,107.05

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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.