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Finding the Fourth Proportional to 3,368.64, 4,647.60 and 2,041.92

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Solution

The fourth proportional to 3,368.64, 4,647.60 and 2,041.92 is: 2,817.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.64 : 4,647.60 = 2,041.92 : x
  2. Step 2: Convert to fraction form
    3,368.64/4,647.60 = 2,041.92/x
  3. Step 3: Cross multiply
    3,368.64x = 4,647.60 × 2,041.92
  4. Step 4: Simplify right side
    3,368.64x = 9,490,027.39
  5. Step 5: Solve for x
    x = 9,490,027.39/3,368.64
  6. Step 6: Final answer
    x = 2,817.17

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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.