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Finding the Fourth Proportional to 70,593.10, 105,902.77 and 23,210.85

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Solution

The fourth proportional to 70,593.10, 105,902.77 and 23,210.85 is: 34,820.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,593.10 : 105,902.77 = 23,210.85 : x
  2. Step 2: Convert to fraction form
    70,593.10/105,902.77 = 23,210.85/x
  3. Step 3: Cross multiply
    70,593.10x = 105,902.77 × 23,210.85
  4. Step 4: Simplify right side
    70,593.10x = 2,458,093,309.05
  5. Step 5: Solve for x
    x = 2,458,093,309.05/70,593.10
  6. Step 6: Final answer
    x = 34,820.59

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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.