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Finding the Fourth Proportional to 15,295.10, 22,923.30 and 8,724.98

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Solution

The fourth proportional to 15,295.10, 22,923.30 and 8,724.98 is: 13,076.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,295.10 : 22,923.30 = 8,724.98 : x
  2. Step 2: Convert to fraction form
    15,295.10/22,923.30 = 8,724.98/x
  3. Step 3: Cross multiply
    15,295.10x = 22,923.30 × 8,724.98
  4. Step 4: Simplify right side
    15,295.10x = 200,005,334.03
  5. Step 5: Solve for x
    x = 200,005,334.03/15,295.10
  6. Step 6: Final answer
    x = 13,076.43

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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.