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Finding the Fourth Proportional to 7,230.88, 10,846.32 and 2,848.80

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Solution

The fourth proportional to 7,230.88, 10,846.32 and 2,848.80 is: 4,273.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,230.88 : 10,846.32 = 2,848.80 : x
  2. Step 2: Convert to fraction form
    7,230.88/10,846.32 = 2,848.80/x
  3. Step 3: Cross multiply
    7,230.88x = 10,846.32 × 2,848.80
  4. Step 4: Simplify right side
    7,230.88x = 30,898,996.42
  5. Step 5: Solve for x
    x = 30,898,996.42/7,230.88
  6. Step 6: Final answer
    x = 4,273.20

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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.