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Finding the Fourth Proportional to 5,671.49, 8,508.77 and 1,973.93

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Solution

The fourth proportional to 5,671.49, 8,508.77 and 1,973.93 is: 2,961.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,671.49 : 8,508.77 = 1,973.93 : x
  2. Step 2: Convert to fraction form
    5,671.49/8,508.77 = 1,973.93/x
  3. Step 3: Cross multiply
    5,671.49x = 8,508.77 × 1,973.93
  4. Step 4: Simplify right side
    5,671.49x = 16,795,663.95
  5. Step 5: Solve for x
    x = 16,795,663.95/5,671.49
  6. Step 6: Final answer
    x = 2,961.42

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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.