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Finding the Fourth Proportional to 57,585.96, 86,394.53 and 17,603.87

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Solution

The fourth proportional to 57,585.96, 86,394.53 and 17,603.87 is: 26,410.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,585.96 : 86,394.53 = 17,603.87 : x
  2. Step 2: Convert to fraction form
    57,585.96/86,394.53 = 17,603.87/x
  3. Step 3: Cross multiply
    57,585.96x = 86,394.53 × 17,603.87
  4. Step 4: Simplify right side
    57,585.96x = 1,520,877,686.87
  5. Step 5: Solve for x
    x = 1,520,877,686.87/57,585.96
  6. Step 6: Final answer
    x = 26,410.56

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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.