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Finding the Fourth Proportional to 56,993.52, 85,492.68 and 15,440.48

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Solution

The fourth proportional to 56,993.52, 85,492.68 and 15,440.48 is: 23,161.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,993.52 : 85,492.68 = 15,440.48 : x
  2. Step 2: Convert to fraction form
    56,993.52/85,492.68 = 15,440.48/x
  3. Step 3: Cross multiply
    56,993.52x = 85,492.68 × 15,440.48
  4. Step 4: Simplify right side
    56,993.52x = 1,320,048,015.69
  5. Step 5: Solve for x
    x = 1,320,048,015.69/56,993.52
  6. Step 6: Final answer
    x = 23,161.37

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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.