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Finding the Fourth Proportional to 11,555.99, 15,947.22 and 6,250.82

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Solution

The fourth proportional to 11,555.99, 15,947.22 and 6,250.82 is: 8,626.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555.99 : 15,947.22 = 6,250.82 : x
  2. Step 2: Convert to fraction form
    11,555.99/15,947.22 = 6,250.82/x
  3. Step 3: Cross multiply
    11,555.99x = 15,947.22 × 6,250.82
  4. Step 4: Simplify right side
    11,555.99x = 99,683,201.72
  5. Step 5: Solve for x
    x = 99,683,201.72/11,555.99
  6. Step 6: Final answer
    x = 8,626.11

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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.