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Finding the Fourth Proportional to 10,790.06, 14,890.06 and 6,009.99

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Solution

The fourth proportional to 10,790.06, 14,890.06 and 6,009.99 is: 8,293.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790.06 : 14,890.06 = 6,009.99 : x
  2. Step 2: Convert to fraction form
    10,790.06/14,890.06 = 6,009.99/x
  3. Step 3: Cross multiply
    10,790.06x = 14,890.06 × 6,009.99
  4. Step 4: Simplify right side
    10,790.06x = 89,489,081.65
  5. Step 5: Solve for x
    x = 89,489,081.65/10,790.06
  6. Step 6: Final answer
    x = 8,293.66

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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.