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Finding the Fourth Proportional to 51,810.56, 71,520.24 and 35,053.28

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Solution

The fourth proportional to 51,810.56, 71,520.24 and 35,053.28 is: 48,388.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,810.56 : 71,520.24 = 35,053.28 : x
  2. Step 2: Convert to fraction form
    51,810.56/71,520.24 = 35,053.28/x
  3. Step 3: Cross multiply
    51,810.56x = 71,520.24 × 35,053.28
  4. Step 4: Simplify right side
    51,810.56x = 2,507,018,998.39
  5. Step 5: Solve for x
    x = 2,507,018,998.39/51,810.56
  6. Step 6: Final answer
    x = 48,388.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.