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Finding the Fourth Proportional to 57,690.45, 86,544.59 and 24,410.70

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Solution

The fourth proportional to 57,690.45, 86,544.59 and 24,410.70 is: 36,619.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,690.45 : 86,544.59 = 24,410.70 : x
  2. Step 2: Convert to fraction form
    57,690.45/86,544.59 = 24,410.70/x
  3. Step 3: Cross multiply
    57,690.45x = 86,544.59 × 24,410.70
  4. Step 4: Simplify right side
    57,690.45x = 2,112,613,901.06
  5. Step 5: Solve for x
    x = 2,112,613,901.06/57,690.45
  6. Step 6: Final answer
    x = 36,619.82

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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.