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Finding the Fourth Proportional to 7,737, 11,605.71 and 2,190.93

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Solution

The fourth proportional to 7,737, 11,605.71 and 2,190.93 is: 3,286.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,737 : 11,605.71 = 2,190.93 : x
  2. Step 2: Convert to fraction form
    7,737/11,605.71 = 2,190.93/x
  3. Step 3: Cross multiply
    7,737x = 11,605.71 × 2,190.93
  4. Step 4: Simplify right side
    7,737x = 25,427,298.21
  5. Step 5: Solve for x
    x = 25,427,298.21/7,737
  6. Step 6: Final answer
    x = 3,286.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.