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Finding the Fourth Proportional to 16,484.51, 22,750.25 and 9,411.99

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Solution

The fourth proportional to 16,484.51, 22,750.25 and 9,411.99 is: 12,989.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,484.51 : 22,750.25 = 9,411.99 : x
  2. Step 2: Convert to fraction form
    16,484.51/22,750.25 = 9,411.99/x
  3. Step 3: Cross multiply
    16,484.51x = 22,750.25 × 9,411.99
  4. Step 4: Simplify right side
    16,484.51x = 214,125,078.44
  5. Step 5: Solve for x
    x = 214,125,078.44/16,484.51
  6. Step 6: Final answer
    x = 12,989.48

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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.