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Finding the Fourth Proportional to 70,693.29, 106,039.94 and 44,416.49

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Solution

The fourth proportional to 70,693.29, 106,039.94 and 44,416.49 is: 66,624.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,693.29 : 106,039.94 = 44,416.49 : x
  2. Step 2: Convert to fraction form
    70,693.29/106,039.94 = 44,416.49/x
  3. Step 3: Cross multiply
    70,693.29x = 106,039.94 × 44,416.49
  4. Step 4: Simplify right side
    70,693.29x = 4,709,921,182.33
  5. Step 5: Solve for x
    x = 4,709,921,182.33/70,693.29
  6. Step 6: Final answer
    x = 66,624.73

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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.