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Finding the Fourth Proportional to 11,837.09, 17,750.99 and 4,437.50

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Solution

The fourth proportional to 11,837.09, 17,750.99 and 4,437.50 is: 6,654.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,837.09 : 17,750.99 = 4,437.50 : x
  2. Step 2: Convert to fraction form
    11,837.09/17,750.99 = 4,437.50/x
  3. Step 3: Cross multiply
    11,837.09x = 17,750.99 × 4,437.50
  4. Step 4: Simplify right side
    11,837.09x = 78,770,073.60
  5. Step 5: Solve for x
    x = 78,770,073.60/11,837.09
  6. Step 6: Final answer
    x = 6,654.52

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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.