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Finding the Fourth Proportional to 17,751,976.80, 24,497,645.04 and 9,603,143.52

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Solution

The fourth proportional to 17,751,976.80, 24,497,645.04 and 9,603,143.52 is: 13,252,293.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,751,976.80 : 24,497,645.04 = 9,603,143.52 : x
  2. Step 2: Convert to fraction form
    17,751,976.80/24,497,645.04 = 9,603,143.52/x
  3. Step 3: Cross multiply
    17,751,976.80x = 24,497,645.04 × 9,603,143.52
  4. Step 4: Simplify right side
    17,751,976.80x = 235,254,401,221,136.12
  5. Step 5: Solve for x
    x = 235,254,401,221,136.12/17,751,976.80
  6. Step 6: Final answer
    x = 13,252,293.19

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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.