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Finding the Fourth Proportional to 70,593.58, 105,890.41 and 44,316.78

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Solution

The fourth proportional to 70,593.58, 105,890.41 and 44,316.78 is: 66,475.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,593.58 : 105,890.41 = 44,316.78 : x
  2. Step 2: Convert to fraction form
    70,593.58/105,890.41 = 44,316.78/x
  3. Step 3: Cross multiply
    70,593.58x = 105,890.41 × 44,316.78
  4. Step 4: Simplify right side
    70,593.58x = 4,692,722,004.08
  5. Step 5: Solve for x
    x = 4,692,722,004.08/70,593.58
  6. Step 6: Final answer
    x = 66,475.20

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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.