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Finding the Fourth Proportional to 7,608.99, 11,474.31 and 7,505.04

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Solution

The fourth proportional to 7,608.99, 11,474.31 and 7,505.04 is: 11,317.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,608.99 : 11,474.31 = 7,505.04 : x
  2. Step 2: Convert to fraction form
    7,608.99/11,474.31 = 7,505.04/x
  3. Step 3: Cross multiply
    7,608.99x = 11,474.31 × 7,505.04
  4. Step 4: Simplify right side
    7,608.99x = 86,115,155.52
  5. Step 5: Solve for x
    x = 86,115,155.52/7,608.99
  6. Step 6: Final answer
    x = 11,317.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.