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Finding the Fourth Proportional to 57,755.03, 86,561.01 and 32,719.19

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Solution

The fourth proportional to 57,755.03, 86,561.01 and 32,719.19 is: 49,038.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,755.03 : 86,561.01 = 32,719.19 : x
  2. Step 2: Convert to fraction form
    57,755.03/86,561.01 = 32,719.19/x
  3. Step 3: Cross multiply
    57,755.03x = 86,561.01 × 32,719.19
  4. Step 4: Simplify right side
    57,755.03x = 2,832,205,699.98
  5. Step 5: Solve for x
    x = 2,832,205,699.98/57,755.03
  6. Step 6: Final answer
    x = 49,038.26

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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.