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Finding the Fourth Proportional to 14,004.65, 21,010.87 and 6,107.85

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Solution

The fourth proportional to 14,004.65, 21,010.87 and 6,107.85 is: 9,163.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,004.65 : 21,010.87 = 6,107.85 : x
  2. Step 2: Convert to fraction form
    14,004.65/21,010.87 = 6,107.85/x
  3. Step 3: Cross multiply
    14,004.65x = 21,010.87 × 6,107.85
  4. Step 4: Simplify right side
    14,004.65x = 128,331,227.06
  5. Step 5: Solve for x
    x = 128,331,227.06/14,004.65
  6. Step 6: Final answer
    x = 9,163.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.