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Finding the Fourth Proportional to 16,551.28, 24,830.16 and 5,457.52

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Solution

The fourth proportional to 16,551.28, 24,830.16 and 5,457.52 is: 8,187.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,551.28 : 24,830.16 = 5,457.52 : x
  2. Step 2: Convert to fraction form
    16,551.28/24,830.16 = 5,457.52/x
  3. Step 3: Cross multiply
    16,551.28x = 24,830.16 × 5,457.52
  4. Step 4: Simplify right side
    16,551.28x = 135,511,094.80
  5. Step 5: Solve for x
    x = 135,511,094.80/16,551.28
  6. Step 6: Final answer
    x = 8,187.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.