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Finding the Fourth Proportional to 6,296.64, 9,444.64 and 1,914

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Solution

The fourth proportional to 6,296.64, 9,444.64 and 1,914 is: 2,870.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,296.64 : 9,444.64 = 1,914 : x
  2. Step 2: Convert to fraction form
    6,296.64/9,444.64 = 1,914/x
  3. Step 3: Cross multiply
    6,296.64x = 9,444.64 × 1,914
  4. Step 4: Simplify right side
    6,296.64x = 18,077,040.96
  5. Step 5: Solve for x
    x = 18,077,040.96/6,296.64
  6. Step 6: Final answer
    x = 2,870.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.