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Finding the Fourth Proportional to 19,627, 29,433.30 and 6,475.48

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Solution

The fourth proportional to 19,627, 29,433.30 and 6,475.48 is: 9,710.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,627 : 29,433.30 = 6,475.48 : x
  2. Step 2: Convert to fraction form
    19,627/29,433.30 = 6,475.48/x
  3. Step 3: Cross multiply
    19,627x = 29,433.30 × 6,475.48
  4. Step 4: Simplify right side
    19,627x = 190,594,745.48
  5. Step 5: Solve for x
    x = 190,594,745.48/19,627
  6. Step 6: Final answer
    x = 9,710.84

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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.