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Finding the Fourth Proportional to 6,299.91, 9,415.91 and 5,503.07

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Solution

The fourth proportional to 6,299.91, 9,415.91 and 5,503.07 is: 8,224.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,299.91 : 9,415.91 = 5,503.07 : x
  2. Step 2: Convert to fraction form
    6,299.91/9,415.91 = 5,503.07/x
  3. Step 3: Cross multiply
    6,299.91x = 9,415.91 × 5,503.07
  4. Step 4: Simplify right side
    6,299.91x = 51,816,449.14
  5. Step 5: Solve for x
    x = 51,816,449.14/6,299.91
  6. Step 6: Final answer
    x = 8,224.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.