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Finding the Fourth Proportional to 29,973.43, 44,986.07 and 11,518.39

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Solution

The fourth proportional to 29,973.43, 44,986.07 and 11,518.39 is: 17,287.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,973.43 : 44,986.07 = 11,518.39 : x
  2. Step 2: Convert to fraction form
    29,973.43/44,986.07 = 11,518.39/x
  3. Step 3: Cross multiply
    29,973.43x = 44,986.07 × 11,518.39
  4. Step 4: Simplify right side
    29,973.43x = 518,167,098.83
  5. Step 5: Solve for x
    x = 518,167,098.83/29,973.43
  6. Step 6: Final answer
    x = 17,287.55

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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.