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Finding the Fourth Proportional to 23,331.66, 32,196.99 and 12,721.50

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Solution

The fourth proportional to 23,331.66, 32,196.99 and 12,721.50 is: 17,555.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,331.66 : 32,196.99 = 12,721.50 : x
  2. Step 2: Convert to fraction form
    23,331.66/32,196.99 = 12,721.50/x
  3. Step 3: Cross multiply
    23,331.66x = 32,196.99 × 12,721.50
  4. Step 4: Simplify right side
    23,331.66x = 409,594,008.29
  5. Step 5: Solve for x
    x = 409,594,008.29/23,331.66
  6. Step 6: Final answer
    x = 17,555.29

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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.