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Finding the Fourth Proportional to 7,060.78, 10,591.07 and 1,724.03

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Solution

The fourth proportional to 7,060.78, 10,591.07 and 1,724.03 is: 2,586.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,060.78 : 10,591.07 = 1,724.03 : x
  2. Step 2: Convert to fraction form
    7,060.78/10,591.07 = 1,724.03/x
  3. Step 3: Cross multiply
    7,060.78x = 10,591.07 × 1,724.03
  4. Step 4: Simplify right side
    7,060.78x = 18,259,260.84
  5. Step 5: Solve for x
    x = 18,259,260.84/7,060.78
  6. Step 6: Final answer
    x = 2,586.01

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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.