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Finding the Fourth Proportional to 12,566.43, 17,341.68 and 6,977.43

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Solution

The fourth proportional to 12,566.43, 17,341.68 and 6,977.43 is: 9,628.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,566.43 : 17,341.68 = 6,977.43 : x
  2. Step 2: Convert to fraction form
    12,566.43/17,341.68 = 6,977.43/x
  3. Step 3: Cross multiply
    12,566.43x = 17,341.68 × 6,977.43
  4. Step 4: Simplify right side
    12,566.43x = 121,000,358.28
  5. Step 5: Solve for x
    x = 121,000,358.28/12,566.43
  6. Step 6: Final answer
    x = 9,628.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.