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Finding the Fourth Proportional to 11,605.65, 16,015.33 and 6,300.33

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Solution

The fourth proportional to 11,605.65, 16,015.33 and 6,300.33 is: 8,694.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,605.65 : 16,015.33 = 6,300.33 : x
  2. Step 2: Convert to fraction form
    11,605.65/16,015.33 = 6,300.33/x
  3. Step 3: Cross multiply
    11,605.65x = 16,015.33 × 6,300.33
  4. Step 4: Simplify right side
    11,605.65x = 100,901,864.06
  5. Step 5: Solve for x
    x = 100,901,864.06/11,605.65
  6. Step 6: Final answer
    x = 8,694.20

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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.