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Finding the Fourth Proportional to 16,868.10, 25,302.15 and 10,963.20

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Solution

The fourth proportional to 16,868.10, 25,302.15 and 10,963.20 is: 16,444.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,868.10 : 25,302.15 = 10,963.20 : x
  2. Step 2: Convert to fraction form
    16,868.10/25,302.15 = 10,963.20/x
  3. Step 3: Cross multiply
    16,868.10x = 25,302.15 × 10,963.20
  4. Step 4: Simplify right side
    16,868.10x = 277,392,530.88
  5. Step 5: Solve for x
    x = 277,392,530.88/16,868.10
  6. Step 6: Final answer
    x = 16,444.80

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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.