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Finding the Fourth Proportional to 15,200.76, 22,760.22 and 9,922.68

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Solution

The fourth proportional to 15,200.76, 22,760.22 and 9,922.68 is: 14,857.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,200.76 : 22,760.22 = 9,922.68 : x
  2. Step 2: Convert to fraction form
    15,200.76/22,760.22 = 9,922.68/x
  3. Step 3: Cross multiply
    15,200.76x = 22,760.22 × 9,922.68
  4. Step 4: Simplify right side
    15,200.76x = 225,842,379.79
  5. Step 5: Solve for x
    x = 225,842,379.79/15,200.76
  6. Step 6: Final answer
    x = 14,857.31

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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.