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Finding the Fourth Proportional to 48,604.96, 72,905.01 and 19,028.22

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Solution

The fourth proportional to 48,604.96, 72,905.01 and 19,028.22 is: 28,541.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,604.96 : 72,905.01 = 19,028.22 : x
  2. Step 2: Convert to fraction form
    48,604.96/72,905.01 = 19,028.22/x
  3. Step 3: Cross multiply
    48,604.96x = 72,905.01 × 19,028.22
  4. Step 4: Simplify right side
    48,604.96x = 1,387,252,331.67
  5. Step 5: Solve for x
    x = 1,387,252,331.67/48,604.96
  6. Step 6: Final answer
    x = 28,541.37

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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.