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Finding the Fourth Proportional to 5,014.53, 6,919.89 and 2,776.41

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Solution

The fourth proportional to 5,014.53, 6,919.89 and 2,776.41 is: 3,831.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,014.53 : 6,919.89 = 2,776.41 : x
  2. Step 2: Convert to fraction form
    5,014.53/6,919.89 = 2,776.41/x
  3. Step 3: Cross multiply
    5,014.53x = 6,919.89 × 2,776.41
  4. Step 4: Simplify right side
    5,014.53x = 19,212,451.79
  5. Step 5: Solve for x
    x = 19,212,451.79/5,014.53
  6. Step 6: Final answer
    x = 3,831.36

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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.