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Finding the Fourth Proportional to 7,064.54, 10,600.25 and 2,905.80

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Solution

The fourth proportional to 7,064.54, 10,600.25 and 2,905.80 is: 4,360.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,064.54 : 10,600.25 = 2,905.80 : x
  2. Step 2: Convert to fraction form
    7,064.54/10,600.25 = 2,905.80/x
  3. Step 3: Cross multiply
    7,064.54x = 10,600.25 × 2,905.80
  4. Step 4: Simplify right side
    7,064.54x = 30,802,191.92
  5. Step 5: Solve for x
    x = 30,802,191.92/7,064.54
  6. Step 6: Final answer
    x = 4,360.12

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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.