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Finding the Fourth Proportional to 7,961.17, 11,908.59 and 7,370.68

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Solution

The fourth proportional to 7,961.17, 11,908.59 and 7,370.68 is: 11,025.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.17 : 11,908.59 = 7,370.68 : x
  2. Step 2: Convert to fraction form
    7,961.17/11,908.59 = 7,370.68/x
  3. Step 3: Cross multiply
    7,961.17x = 11,908.59 × 7,370.68
  4. Step 4: Simplify right side
    7,961.17x = 87,774,406.14
  5. Step 5: Solve for x
    x = 87,774,406.14/7,961.17
  6. Step 6: Final answer
    x = 11,025.31

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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.