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Finding the Fourth Proportional to 3,607.83, 4,978.23 and 2,035.62

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Solution

The fourth proportional to 3,607.83, 4,978.23 and 2,035.62 is: 2,808.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607.83 : 4,978.23 = 2,035.62 : x
  2. Step 2: Convert to fraction form
    3,607.83/4,978.23 = 2,035.62/x
  3. Step 3: Cross multiply
    3,607.83x = 4,978.23 × 2,035.62
  4. Step 4: Simplify right side
    3,607.83x = 10,133,784.55
  5. Step 5: Solve for x
    x = 10,133,784.55/3,607.83
  6. Step 6: Final answer
    x = 2,808.83

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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.