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Finding the Fourth Proportional to 4,615.91, 6,919.54 and 2,559.59

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Solution

The fourth proportional to 4,615.91, 6,919.54 and 2,559.59 is: 3,836.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,615.91 : 6,919.54 = 2,559.59 : x
  2. Step 2: Convert to fraction form
    4,615.91/6,919.54 = 2,559.59/x
  3. Step 3: Cross multiply
    4,615.91x = 6,919.54 × 2,559.59
  4. Step 4: Simplify right side
    4,615.91x = 17,711,185.39
  5. Step 5: Solve for x
    x = 17,711,185.39/4,615.91
  6. Step 6: Final answer
    x = 3,836.99

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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.