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Finding the Fourth Proportional to 57,603.96, 86,210.84 and 35,431.38

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Solution

The fourth proportional to 57,603.96, 86,210.84 and 35,431.38 is: 53,027.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,603.96 : 86,210.84 = 35,431.38 : x
  2. Step 2: Convert to fraction form
    57,603.96/86,210.84 = 35,431.38/x
  3. Step 3: Cross multiply
    57,603.96x = 86,210.84 × 35,431.38
  4. Step 4: Simplify right side
    57,603.96x = 3,054,569,032.16
  5. Step 5: Solve for x
    x = 3,054,569,032.16/57,603.96
  6. Step 6: Final answer
    x = 53,027.07

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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.