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Finding the Fourth Proportional to 46,652.51, 69,972.21 and 13,375.41

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Solution

The fourth proportional to 46,652.51, 69,972.21 and 13,375.41 is: 20,061.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,652.51 : 69,972.21 = 13,375.41 : x
  2. Step 2: Convert to fraction form
    46,652.51/69,972.21 = 13,375.41/x
  3. Step 3: Cross multiply
    46,652.51x = 69,972.21 × 13,375.41
  4. Step 4: Simplify right side
    46,652.51x = 935,906,997.36
  5. Step 5: Solve for x
    x = 935,906,997.36/46,652.51
  6. Step 6: Final answer
    x = 20,061.24

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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.