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Finding the Fourth Proportional to 5,495.99, 7,585.83 and 3,139.51

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Solution

The fourth proportional to 5,495.99, 7,585.83 and 3,139.51 is: 4,333.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,495.99 : 7,585.83 = 3,139.51 : x
  2. Step 2: Convert to fraction form
    5,495.99/7,585.83 = 3,139.51/x
  3. Step 3: Cross multiply
    5,495.99x = 7,585.83 × 3,139.51
  4. Step 4: Simplify right side
    5,495.99x = 23,815,751.21
  5. Step 5: Solve for x
    x = 23,815,751.21/5,495.99
  6. Step 6: Final answer
    x = 4,333.30

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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.