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Finding the Fourth Proportional to 3,573.84, 5,358.96 and 1,699.20

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Solution

The fourth proportional to 3,573.84, 5,358.96 and 1,699.20 is: 2,547.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,573.84 : 5,358.96 = 1,699.20 : x
  2. Step 2: Convert to fraction form
    3,573.84/5,358.96 = 1,699.20/x
  3. Step 3: Cross multiply
    3,573.84x = 5,358.96 × 1,699.20
  4. Step 4: Simplify right side
    3,573.84x = 9,105,944.83
  5. Step 5: Solve for x
    x = 9,105,944.83/3,573.84
  6. Step 6: Final answer
    x = 2,547.94

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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.