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Finding the Fourth Proportional to 11,068.95, 16,603.43 and 4,493.60

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Solution

The fourth proportional to 11,068.95, 16,603.43 and 4,493.60 is: 6,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,068.95 : 16,603.43 = 4,493.60 : x
  2. Step 2: Convert to fraction form
    11,068.95/16,603.43 = 4,493.60/x
  3. Step 3: Cross multiply
    11,068.95x = 16,603.43 × 4,493.60
  4. Step 4: Simplify right side
    11,068.95x = 74,609,201.80
  5. Step 5: Solve for x
    x = 74,609,201.80/11,068.95
  6. Step 6: Final answer
    x = 6,740.40

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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.