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Finding the Fourth Proportional to 5,014.52, 6,920.88 and 2,919.88

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Solution

The fourth proportional to 5,014.52, 6,920.88 and 2,919.88 is: 4,029.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,014.52 : 6,920.88 = 2,919.88 : x
  2. Step 2: Convert to fraction form
    5,014.52/6,920.88 = 2,919.88/x
  3. Step 3: Cross multiply
    5,014.52x = 6,920.88 × 2,919.88
  4. Step 4: Simplify right side
    5,014.52x = 20,208,139.09
  5. Step 5: Solve for x
    x = 20,208,139.09/5,014.52
  6. Step 6: Final answer
    x = 4,029.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.