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Finding the Fourth Proportional to 16,759.88, 25,142.22 and 5,071.88

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Solution

The fourth proportional to 16,759.88, 25,142.22 and 5,071.88 is: 7,608.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,759.88 : 25,142.22 = 5,071.88 : x
  2. Step 2: Convert to fraction form
    16,759.88/25,142.22 = 5,071.88/x
  3. Step 3: Cross multiply
    16,759.88x = 25,142.22 × 5,071.88
  4. Step 4: Simplify right side
    16,759.88x = 127,518,322.77
  5. Step 5: Solve for x
    x = 127,518,322.77/16,759.88
  6. Step 6: Final answer
    x = 7,608.55

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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.