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Finding the Fourth Proportional to 43,273.70, 64,910.55 and 34,525.70

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Solution

The fourth proportional to 43,273.70, 64,910.55 and 34,525.70 is: 51,788.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,273.70 : 64,910.55 = 34,525.70 : x
  2. Step 2: Convert to fraction form
    43,273.70/64,910.55 = 34,525.70/x
  3. Step 3: Cross multiply
    43,273.70x = 64,910.55 × 34,525.70
  4. Step 4: Simplify right side
    43,273.70x = 2,241,082,176.14
  5. Step 5: Solve for x
    x = 2,241,082,176.14/43,273.70
  6. Step 6: Final answer
    x = 51,788.55

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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.