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Finding the Fourth Proportional to 46,669.86, 70,033.97 and 18,967.86

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Solution

The fourth proportional to 46,669.86, 70,033.97 and 18,967.86 is: 28,463.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,669.86 : 70,033.97 = 18,967.86 : x
  2. Step 2: Convert to fraction form
    46,669.86/70,033.97 = 18,967.86/x
  3. Step 3: Cross multiply
    46,669.86x = 70,033.97 × 18,967.86
  4. Step 4: Simplify right side
    46,669.86x = 1,328,394,538.20
  5. Step 5: Solve for x
    x = 1,328,394,538.20/46,669.86
  6. Step 6: Final answer
    x = 28,463.65

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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.