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Finding the Fourth Proportional to 12,461.52, 17,196.88 and 6,872.48

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Solution

The fourth proportional to 12,461.52, 17,196.88 and 6,872.48 is: 9,484.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461.52 : 17,196.88 = 6,872.48 : x
  2. Step 2: Convert to fraction form
    12,461.52/17,196.88 = 6,872.48/x
  3. Step 3: Cross multiply
    12,461.52x = 17,196.88 × 6,872.48
  4. Step 4: Simplify right side
    12,461.52x = 118,185,213.86
  5. Step 5: Solve for x
    x = 118,185,213.86/12,461.52
  6. Step 6: Final answer
    x = 9,484.01

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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.