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Finding the Fourth Proportional to 15,949.54, 22,010.02 and 9,235.46

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Solution

The fourth proportional to 15,949.54, 22,010.02 and 9,235.46 is: 12,744.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,949.54 : 22,010.02 = 9,235.46 : x
  2. Step 2: Convert to fraction form
    15,949.54/22,010.02 = 9,235.46/x
  3. Step 3: Cross multiply
    15,949.54x = 22,010.02 × 9,235.46
  4. Step 4: Simplify right side
    15,949.54x = 203,272,659.31
  5. Step 5: Solve for x
    x = 203,272,659.31/15,949.54
  6. Step 6: Final answer
    x = 12,744.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.