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Finding the Fourth Proportional to 11,666.88, 17,503.56 and 5,093.64

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Solution

The fourth proportional to 11,666.88, 17,503.56 and 5,093.64 is: 7,641.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,666.88 : 17,503.56 = 5,093.64 : x
  2. Step 2: Convert to fraction form
    11,666.88/17,503.56 = 5,093.64/x
  3. Step 3: Cross multiply
    11,666.88x = 17,503.56 × 5,093.64
  4. Step 4: Simplify right side
    11,666.88x = 89,156,833.36
  5. Step 5: Solve for x
    x = 89,156,833.36/11,666.88
  6. Step 6: Final answer
    x = 7,641.87

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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.