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Finding the Fourth Proportional to 9,375.86, 14,063.80 and 4,759.22

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Solution

The fourth proportional to 9,375.86, 14,063.80 and 4,759.22 is: 7,138.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,375.86 : 14,063.80 = 4,759.22 : x
  2. Step 2: Convert to fraction form
    9,375.86/14,063.80 = 4,759.22/x
  3. Step 3: Cross multiply
    9,375.86x = 14,063.80 × 4,759.22
  4. Step 4: Simplify right side
    9,375.86x = 66,932,718.24
  5. Step 5: Solve for x
    x = 66,932,718.24/9,375.86
  6. Step 6: Final answer
    x = 7,138.84

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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.