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Finding the Fourth Proportional to 9,866.99, 14,800.07 and 5,481.65

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Solution

The fourth proportional to 9,866.99, 14,800.07 and 5,481.65 is: 8,222.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,866.99 : 14,800.07 = 5,481.65 : x
  2. Step 2: Convert to fraction form
    9,866.99/14,800.07 = 5,481.65/x
  3. Step 3: Cross multiply
    9,866.99x = 14,800.07 × 5,481.65
  4. Step 4: Simplify right side
    9,866.99x = 81,128,702.31
  5. Step 5: Solve for x
    x = 81,128,702.31/9,866.99
  6. Step 6: Final answer
    x = 8,222.24

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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.