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Finding the Fourth Proportional to 11,002.70, 16,467.60 and 10,127.90

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Solution

The fourth proportional to 11,002.70, 16,467.60 and 10,127.90 is: 15,158.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,002.70 : 16,467.60 = 10,127.90 : x
  2. Step 2: Convert to fraction form
    11,002.70/16,467.60 = 10,127.90/x
  3. Step 3: Cross multiply
    11,002.70x = 16,467.60 × 10,127.90
  4. Step 4: Simplify right side
    11,002.70x = 166,782,206.04
  5. Step 5: Solve for x
    x = 166,782,206.04/11,002.70
  6. Step 6: Final answer
    x = 15,158.30

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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.