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Finding the Fourth Proportional to 57,690.86, 86,536.28 and 24,402.28

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Solution

The fourth proportional to 57,690.86, 86,536.28 and 24,402.28 is: 36,603.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,690.86 : 86,536.28 = 24,402.28 : x
  2. Step 2: Convert to fraction form
    57,690.86/86,536.28 = 24,402.28/x
  3. Step 3: Cross multiply
    57,690.86x = 86,536.28 × 24,402.28
  4. Step 4: Simplify right side
    57,690.86x = 2,111,682,534.72
  5. Step 5: Solve for x
    x = 2,111,682,534.72/57,690.86
  6. Step 6: Final answer
    x = 36,603.42

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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.