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Finding the Fourth Proportional to 70,553.06, 105,802.01 and 25,563.73

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Solution

The fourth proportional to 70,553.06, 105,802.01 and 25,563.73 is: 38,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,553.06 : 105,802.01 = 25,563.73 : x
  2. Step 2: Convert to fraction form
    70,553.06/105,802.01 = 25,563.73/x
  3. Step 3: Cross multiply
    70,553.06x = 105,802.01 × 25,563.73
  4. Step 4: Simplify right side
    70,553.06x = 2,704,694,017.10
  5. Step 5: Solve for x
    x = 2,704,694,017.10/70,553.06
  6. Step 6: Final answer
    x = 38,335.60

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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.