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Finding the Fourth Proportional to 5,011.75, 6,916.23 and 2,773.78

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Solution

The fourth proportional to 5,011.75, 6,916.23 and 2,773.78 is: 3,827.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.75 : 6,916.23 = 2,773.78 : x
  2. Step 2: Convert to fraction form
    5,011.75/6,916.23 = 2,773.78/x
  3. Step 3: Cross multiply
    5,011.75x = 6,916.23 × 2,773.78
  4. Step 4: Simplify right side
    5,011.75x = 19,184,069.29
  5. Step 5: Solve for x
    x = 19,184,069.29/5,011.75
  6. Step 6: Final answer
    x = 3,827.82

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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.