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Finding the Fourth Proportional to 2,950.55, 4,429.01 and 1,308.48

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Solution

The fourth proportional to 2,950.55, 4,429.01 and 1,308.48 is: 1,964.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.55 : 4,429.01 = 1,308.48 : x
  2. Step 2: Convert to fraction form
    2,950.55/4,429.01 = 1,308.48/x
  3. Step 3: Cross multiply
    2,950.55x = 4,429.01 × 1,308.48
  4. Step 4: Simplify right side
    2,950.55x = 5,795,271.00
  5. Step 5: Solve for x
    x = 5,795,271.00/2,950.55
  6. Step 6: Final answer
    x = 1,964.13

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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.