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Finding the Fourth Proportional to 3,607.46, 4,978.29 and 2,035.55

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Solution

The fourth proportional to 3,607.46, 4,978.29 and 2,035.55 is: 2,809.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607.46 : 4,978.29 = 2,035.55 : x
  2. Step 2: Convert to fraction form
    3,607.46/4,978.29 = 2,035.55/x
  3. Step 3: Cross multiply
    3,607.46x = 4,978.29 × 2,035.55
  4. Step 4: Simplify right side
    3,607.46x = 10,133,533.32
  5. Step 5: Solve for x
    x = 10,133,533.32/3,607.46
  6. Step 6: Final answer
    x = 2,809.05

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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.