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Finding the Fourth Proportional to 28,840.52, 39,802.26 and 16,267.88

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Solution

The fourth proportional to 28,840.52, 39,802.26 and 16,267.88 is: 22,451.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,840.52 : 39,802.26 = 16,267.88 : x
  2. Step 2: Convert to fraction form
    28,840.52/39,802.26 = 16,267.88/x
  3. Step 3: Cross multiply
    28,840.52x = 39,802.26 × 16,267.88
  4. Step 4: Simplify right side
    28,840.52x = 647,498,389.41
  5. Step 5: Solve for x
    x = 647,498,389.41/28,840.52
  6. Step 6: Final answer
    x = 22,451.00

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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.