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Finding the Fourth Proportional to 5,012.31, 6,916.62 and 2,773.68

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Solution

The fourth proportional to 5,012.31, 6,916.62 and 2,773.68 is: 3,827.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.31 : 6,916.62 = 2,773.68 : x
  2. Step 2: Convert to fraction form
    5,012.31/6,916.62 = 2,773.68/x
  3. Step 3: Cross multiply
    5,012.31x = 6,916.62 × 2,773.68
  4. Step 4: Simplify right side
    5,012.31x = 19,184,490.56
  5. Step 5: Solve for x
    x = 19,184,490.56/5,012.31
  6. Step 6: Final answer
    x = 3,827.47

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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.