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Finding the Fourth Proportional to 51,104.88, 76,657.26 and 14,168.88

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Solution

The fourth proportional to 51,104.88, 76,657.26 and 14,168.88 is: 21,253.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,104.88 : 76,657.26 = 14,168.88 : x
  2. Step 2: Convert to fraction form
    51,104.88/76,657.26 = 14,168.88/x
  3. Step 3: Cross multiply
    51,104.88x = 76,657.26 × 14,168.88
  4. Step 4: Simplify right side
    51,104.88x = 1,086,147,518.07
  5. Step 5: Solve for x
    x = 1,086,147,518.07/51,104.88
  6. Step 6: Final answer
    x = 21,253.30

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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.