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Finding the Fourth Proportional to 11,000.70, 16,464.60 and 10,125.90

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Solution

The fourth proportional to 11,000.70, 16,464.60 and 10,125.90 is: 15,155.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,000.70 : 16,464.60 = 10,125.90 : x
  2. Step 2: Convert to fraction form
    11,000.70/16,464.60 = 10,125.90/x
  3. Step 3: Cross multiply
    11,000.70x = 16,464.60 × 10,125.90
  4. Step 4: Simplify right side
    11,000.70x = 166,718,893.14
  5. Step 5: Solve for x
    x = 166,718,893.14/11,000.70
  6. Step 6: Final answer
    x = 15,155.30

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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.