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Finding the Fourth Proportional to 23,891.97, 32,970.99 and 13,281.63

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Solution

The fourth proportional to 23,891.97, 32,970.99 and 13,281.63 is: 18,328.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,891.97 : 32,970.99 = 13,281.63 : x
  2. Step 2: Convert to fraction form
    23,891.97/32,970.99 = 13,281.63/x
  3. Step 3: Cross multiply
    23,891.97x = 32,970.99 × 13,281.63
  4. Step 4: Simplify right side
    23,891.97x = 437,908,489.91
  5. Step 5: Solve for x
    x = 437,908,489.91/23,891.97
  6. Step 6: Final answer
    x = 18,328.69

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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.