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Finding the Fourth Proportional to 5,973.91, 8,960.86 and 2,078.31

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Solution

The fourth proportional to 5,973.91, 8,960.86 and 2,078.31 is: 3,117.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,973.91 : 8,960.86 = 2,078.31 : x
  2. Step 2: Convert to fraction form
    5,973.91/8,960.86 = 2,078.31/x
  3. Step 3: Cross multiply
    5,973.91x = 8,960.86 × 2,078.31
  4. Step 4: Simplify right side
    5,973.91x = 18,623,444.95
  5. Step 5: Solve for x
    x = 18,623,444.95/5,973.91
  6. Step 6: Final answer
    x = 3,117.46

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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.