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Finding the Fourth Proportional to 12,494.04, 17,248.86 and 8,307.96

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Solution

The fourth proportional to 12,494.04, 17,248.86 and 8,307.96 is: 11,469.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,494.04 : 17,248.86 = 8,307.96 : x
  2. Step 2: Convert to fraction form
    12,494.04/17,248.86 = 8,307.96/x
  3. Step 3: Cross multiply
    12,494.04x = 17,248.86 × 8,307.96
  4. Step 4: Simplify right side
    12,494.04x = 143,302,838.93
  5. Step 5: Solve for x
    x = 143,302,838.93/12,494.04
  6. Step 6: Final answer
    x = 11,469.70

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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.