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Finding the Fourth Proportional to 17,765,751.57, 26,658,480.99 and 8,667,923.91

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Solution

The fourth proportional to 17,765,751.57, 26,658,480.99 and 8,667,923.91 is: 13,006,693.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,765,751.57 : 26,658,480.99 = 8,667,923.91 : x
  2. Step 2: Convert to fraction form
    17,765,751.57/26,658,480.99 = 8,667,923.91/x
  3. Step 3: Cross multiply
    17,765,751.57x = 26,658,480.99 × 8,667,923.91
  4. Step 4: Simplify right side
    17,765,751.57x = 231,073,684,777,501.47
  5. Step 5: Solve for x
    x = 231,073,684,777,501.47/17,765,751.57
  6. Step 6: Final answer
    x = 13,006,693.46

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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.