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Finding the Fourth Proportional to 16,999.61, 25,492.86 and 6,464.09

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Solution

The fourth proportional to 16,999.61, 25,492.86 and 6,464.09 is: 9,693.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,999.61 : 25,492.86 = 6,464.09 : x
  2. Step 2: Convert to fraction form
    16,999.61/25,492.86 = 6,464.09/x
  3. Step 3: Cross multiply
    16,999.61x = 25,492.86 × 6,464.09
  4. Step 4: Simplify right side
    16,999.61x = 164,788,205.13
  5. Step 5: Solve for x
    x = 164,788,205.13/16,999.61
  6. Step 6: Final answer
    x = 9,693.65

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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.