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Finding the Fourth Proportional to 11,059.75, 16,550.65 and 6,901.72

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Solution

The fourth proportional to 11,059.75, 16,550.65 and 6,901.72 is: 10,328.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,059.75 : 16,550.65 = 6,901.72 : x
  2. Step 2: Convert to fraction form
    11,059.75/16,550.65 = 6,901.72/x
  3. Step 3: Cross multiply
    11,059.75x = 16,550.65 × 6,901.72
  4. Step 4: Simplify right side
    11,059.75x = 114,227,952.12
  5. Step 5: Solve for x
    x = 114,227,952.12/11,059.75
  6. Step 6: Final answer
    x = 10,328.26

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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.