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Finding the Fourth Proportional to 3,060.60, 4,297.80 and 3,060.60

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Solution

The fourth proportional to 3,060.60, 4,297.80 and 3,060.60 is: 4,297.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.60 : 4,297.80 = 3,060.60 : x
  2. Step 2: Convert to fraction form
    3,060.60/4,297.80 = 3,060.60/x
  3. Step 3: Cross multiply
    3,060.60x = 4,297.80 × 3,060.60
  4. Step 4: Simplify right side
    3,060.60x = 13,153,846.68
  5. Step 5: Solve for x
    x = 13,153,846.68/3,060.60
  6. Step 6: Final answer
    x = 4,297.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.