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Finding the Fourth Proportional to 70,608.28, 105,970.76 and 29,084.44

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Solution

The fourth proportional to 70,608.28, 105,970.76 and 29,084.44 is: 43,650.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,608.28 : 105,970.76 = 29,084.44 : x
  2. Step 2: Convert to fraction form
    70,608.28/105,970.76 = 29,084.44/x
  3. Step 3: Cross multiply
    70,608.28x = 105,970.76 × 29,084.44
  4. Step 4: Simplify right side
    70,608.28x = 3,082,100,210.97
  5. Step 5: Solve for x
    x = 3,082,100,210.97/70,608.28
  6. Step 6: Final answer
    x = 43,650.69

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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.