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Finding the Fourth Proportional to 7,234.90, 10,853.55 and 3,076.90

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Solution

The fourth proportional to 7,234.90, 10,853.55 and 3,076.90 is: 4,615.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,234.90 : 10,853.55 = 3,076.90 : x
  2. Step 2: Convert to fraction form
    7,234.90/10,853.55 = 3,076.90/x
  3. Step 3: Cross multiply
    7,234.90x = 10,853.55 × 3,076.90
  4. Step 4: Simplify right side
    7,234.90x = 33,395,288.00
  5. Step 5: Solve for x
    x = 33,395,288.00/7,234.90
  6. Step 6: Final answer
    x = 4,615.86

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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.