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Finding the Fourth Proportional to 18,029.46, 24,880.98 and 9,963.36

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Solution

The fourth proportional to 18,029.46, 24,880.98 and 9,963.36 is: 13,749.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,029.46 : 24,880.98 = 9,963.36 : x
  2. Step 2: Convert to fraction form
    18,029.46/24,880.98 = 9,963.36/x
  3. Step 3: Cross multiply
    18,029.46x = 24,880.98 × 9,963.36
  4. Step 4: Simplify right side
    18,029.46x = 247,898,160.89
  5. Step 5: Solve for x
    x = 247,898,160.89/18,029.46
  6. Step 6: Final answer
    x = 13,749.62

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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.