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Finding the Fourth Proportional to 70,625.35, 105,937.84 and 44,348.54

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Solution

The fourth proportional to 70,625.35, 105,937.84 and 44,348.54 is: 66,522.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,625.35 : 105,937.84 = 44,348.54 : x
  2. Step 2: Convert to fraction form
    70,625.35/105,937.84 = 44,348.54/x
  3. Step 3: Cross multiply
    70,625.35x = 105,937.84 × 44,348.54
  4. Step 4: Simplify right side
    70,625.35x = 4,698,188,313.01
  5. Step 5: Solve for x
    x = 4,698,188,313.01/70,625.35
  6. Step 6: Final answer
    x = 66,522.70

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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.