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Finding the Fourth Proportional to 38,539.75, 57,809.64 and 10,837.75

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Solution

The fourth proportional to 38,539.75, 57,809.64 and 10,837.75 is: 16,256.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,539.75 : 57,809.64 = 10,837.75 : x
  2. Step 2: Convert to fraction form
    38,539.75/57,809.64 = 10,837.75/x
  3. Step 3: Cross multiply
    38,539.75x = 57,809.64 × 10,837.75
  4. Step 4: Simplify right side
    38,539.75x = 626,526,425.91
  5. Step 5: Solve for x
    x = 626,526,425.91/38,539.75
  6. Step 6: Final answer
    x = 16,256.63

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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.