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Finding the Fourth Proportional to 11,591.25, 15,995.03 and 6,555.93

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Solution

The fourth proportional to 11,591.25, 15,995.03 and 6,555.93 is: 9,046.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,591.25 : 15,995.03 = 6,555.93 : x
  2. Step 2: Convert to fraction form
    11,591.25/15,995.03 = 6,555.93/x
  3. Step 3: Cross multiply
    11,591.25x = 15,995.03 × 6,555.93
  4. Step 4: Simplify right side
    11,591.25x = 104,862,297.03
  5. Step 5: Solve for x
    x = 104,862,297.03/11,591.25
  6. Step 6: Final answer
    x = 9,046.68

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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.