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Finding the Fourth Proportional to 6,425.51, 9,638.57 and 2,043

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Solution

The fourth proportional to 6,425.51, 9,638.57 and 2,043 is: 3,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,425.51 : 9,638.57 = 2,043 : x
  2. Step 2: Convert to fraction form
    6,425.51/9,638.57 = 2,043/x
  3. Step 3: Cross multiply
    6,425.51x = 9,638.57 × 2,043
  4. Step 4: Simplify right side
    6,425.51x = 19,691,588.30
  5. Step 5: Solve for x
    x = 19,691,588.30/6,425.51
  6. Step 6: Final answer
    x = 3,064.60

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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.