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Finding the Fourth Proportional to 7,607.98, 11,411.90 and 2,061.87

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Solution

The fourth proportional to 7,607.98, 11,411.90 and 2,061.87 is: 3,092.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,607.98 : 11,411.90 = 2,061.87 : x
  2. Step 2: Convert to fraction form
    7,607.98/11,411.90 = 2,061.87/x
  3. Step 3: Cross multiply
    7,607.98x = 11,411.90 × 2,061.87
  4. Step 4: Simplify right side
    7,607.98x = 23,529,854.25
  5. Step 5: Solve for x
    x = 23,529,854.25/7,607.98
  6. Step 6: Final answer
    x = 3,092.79

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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.