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Finding the Fourth Proportional to 44,984, 67,429.92 and 18,704

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Solution

The fourth proportional to 44,984, 67,429.92 and 18,704 is: 28,036.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,984 : 67,429.92 = 18,704 : x
  2. Step 2: Convert to fraction form
    44,984/67,429.92 = 18,704/x
  3. Step 3: Cross multiply
    44,984x = 67,429.92 × 18,704
  4. Step 4: Simplify right side
    44,984x = 1,261,209,223.68
  5. Step 5: Solve for x
    x = 1,261,209,223.68/44,984
  6. Step 6: Final answer
    x = 28,036.84

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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.