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Finding the Fourth Proportional to 12,267.48, 16,929.65 and 6,962.79

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Solution

The fourth proportional to 12,267.48, 16,929.65 and 6,962.79 is: 9,608.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,267.48 : 16,929.65 = 6,962.79 : x
  2. Step 2: Convert to fraction form
    12,267.48/16,929.65 = 6,962.79/x
  3. Step 3: Cross multiply
    12,267.48x = 16,929.65 × 6,962.79
  4. Step 4: Simplify right side
    12,267.48x = 117,877,597.72
  5. Step 5: Solve for x
    x = 117,877,597.72/12,267.48
  6. Step 6: Final answer
    x = 9,608.95

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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.