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Finding the Fourth Proportional to 70,621.53, 105,842.22 and 33,098.85

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Solution

The fourth proportional to 70,621.53, 105,842.22 and 33,098.85 is: 49,606.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,621.53 : 105,842.22 = 33,098.85 : x
  2. Step 2: Convert to fraction form
    70,621.53/105,842.22 = 33,098.85/x
  3. Step 3: Cross multiply
    70,621.53x = 105,842.22 × 33,098.85
  4. Step 4: Simplify right side
    70,621.53x = 3,503,255,763.45
  5. Step 5: Solve for x
    x = 3,503,255,763.45/70,621.53
  6. Step 6: Final answer
    x = 49,606.06

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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.