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Finding the Fourth Proportional to 4,908.87, 6,773.71 and 2,919.16

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Solution

The fourth proportional to 4,908.87, 6,773.71 and 2,919.16 is: 4,028.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908.87 : 6,773.71 = 2,919.16 : x
  2. Step 2: Convert to fraction form
    4,908.87/6,773.71 = 2,919.16/x
  3. Step 3: Cross multiply
    4,908.87x = 6,773.71 × 2,919.16
  4. Step 4: Simplify right side
    4,908.87x = 19,773,543.28
  5. Step 5: Solve for x
    x = 19,773,543.28/4,908.87
  6. Step 6: Final answer
    x = 4,028.13

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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.