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Finding the Fourth Proportional to 12,326.72, 17,011.01 and 6,737.72

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Solution

The fourth proportional to 12,326.72, 17,011.01 and 6,737.72 is: 9,298.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,326.72 : 17,011.01 = 6,737.72 : x
  2. Step 2: Convert to fraction form
    12,326.72/17,011.01 = 6,737.72/x
  3. Step 3: Cross multiply
    12,326.72x = 17,011.01 × 6,737.72
  4. Step 4: Simplify right side
    12,326.72x = 114,615,354.09
  5. Step 5: Solve for x
    x = 114,615,354.09/12,326.72
  6. Step 6: Final answer
    x = 9,298.13

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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.