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Finding the Fourth Proportional to 70,453.18, 105,624.18 and 34,926.73

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Solution

The fourth proportional to 70,453.18, 105,624.18 and 34,926.73 is: 52,362.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,453.18 : 105,624.18 = 34,926.73 : x
  2. Step 2: Convert to fraction form
    70,453.18/105,624.18 = 34,926.73/x
  3. Step 3: Cross multiply
    70,453.18x = 105,624.18 × 34,926.73
  4. Step 4: Simplify right side
    70,453.18x = 3,689,107,520.66
  5. Step 5: Solve for x
    x = 3,689,107,520.66/70,453.18
  6. Step 6: Final answer
    x = 52,362.54

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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.