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Finding the Fourth Proportional to 5,014.62, 6,919.72 and 2,776.39

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Solution

The fourth proportional to 5,014.62, 6,919.72 and 2,776.39 is: 3,831.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,014.62 : 6,919.72 = 2,776.39 : x
  2. Step 2: Convert to fraction form
    5,014.62/6,919.72 = 2,776.39/x
  3. Step 3: Cross multiply
    5,014.62x = 6,919.72 × 2,776.39
  4. Step 4: Simplify right side
    5,014.62x = 19,211,827.53
  5. Step 5: Solve for x
    x = 19,211,827.53/5,014.62
  6. Step 6: Final answer
    x = 3,831.16

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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.