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Finding the Fourth Proportional to 4,266.61, 6,400.05 and 1,801.51

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Solution

The fourth proportional to 4,266.61, 6,400.05 and 1,801.51 is: 2,702.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,266.61 : 6,400.05 = 1,801.51 : x
  2. Step 2: Convert to fraction form
    4,266.61/6,400.05 = 1,801.51/x
  3. Step 3: Cross multiply
    4,266.61x = 6,400.05 × 1,801.51
  4. Step 4: Simplify right side
    4,266.61x = 11,529,754.08
  5. Step 5: Solve for x
    x = 11,529,754.08/4,266.61
  6. Step 6: Final answer
    x = 2,702.32

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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.