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Finding the Fourth Proportional to 70,463.97, 105,695.97 and 17,873.73

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Solution

The fourth proportional to 70,463.97, 105,695.97 and 17,873.73 is: 26,810.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,463.97 : 105,695.97 = 17,873.73 : x
  2. Step 2: Convert to fraction form
    70,463.97/105,695.97 = 17,873.73/x
  3. Step 3: Cross multiply
    70,463.97x = 105,695.97 × 17,873.73
  4. Step 4: Simplify right side
    70,463.97x = 1,889,181,229.87
  5. Step 5: Solve for x
    x = 1,889,181,229.87/70,463.97
  6. Step 6: Final answer
    x = 26,810.60

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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.