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Finding the Fourth Proportional to 66,923.96, 100,387.97 and 17,004.07

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Solution

The fourth proportional to 66,923.96, 100,387.97 and 17,004.07 is: 25,506.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,923.96 : 100,387.97 = 17,004.07 : x
  2. Step 2: Convert to fraction form
    66,923.96/100,387.97 = 17,004.07/x
  3. Step 3: Cross multiply
    66,923.96x = 100,387.97 × 17,004.07
  4. Step 4: Simplify right side
    66,923.96x = 1,707,003,482.08
  5. Step 5: Solve for x
    x = 1,707,003,482.08/66,923.96
  6. Step 6: Final answer
    x = 25,506.61

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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.