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Finding the Fourth Proportional to 5,012.21, 6,916.20 and 2,773.77

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Solution

The fourth proportional to 5,012.21, 6,916.20 and 2,773.77 is: 3,827.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.21 : 6,916.20 = 2,773.77 : x
  2. Step 2: Convert to fraction form
    5,012.21/6,916.20 = 2,773.77/x
  3. Step 3: Cross multiply
    5,012.21x = 6,916.20 × 2,773.77
  4. Step 4: Simplify right side
    5,012.21x = 19,183,948.07
  5. Step 5: Solve for x
    x = 19,183,948.07/5,012.21
  6. Step 6: Final answer
    x = 3,827.45

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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.