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Finding the Fourth Proportional to 7,773.87, 10,727.91 and 4,237.07

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Solution

The fourth proportional to 7,773.87, 10,727.91 and 4,237.07 is: 5,847.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,773.87 : 10,727.91 = 4,237.07 : x
  2. Step 2: Convert to fraction form
    7,773.87/10,727.91 = 4,237.07/x
  3. Step 3: Cross multiply
    7,773.87x = 10,727.91 × 4,237.07
  4. Step 4: Simplify right side
    7,773.87x = 45,454,905.62
  5. Step 5: Solve for x
    x = 45,454,905.62/7,773.87
  6. Step 6: Final answer
    x = 5,847.14

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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.