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Finding the Fourth Proportional to 40,393.68, 60,603.48 and 18,197.52

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Solution

The fourth proportional to 40,393.68, 60,603.48 and 18,197.52 is: 27,302.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,393.68 : 60,603.48 = 18,197.52 : x
  2. Step 2: Convert to fraction form
    40,393.68/60,603.48 = 18,197.52/x
  3. Step 3: Cross multiply
    40,393.68x = 60,603.48 × 18,197.52
  4. Step 4: Simplify right side
    40,393.68x = 1,102,833,039.37
  5. Step 5: Solve for x
    x = 1,102,833,039.37/40,393.68
  6. Step 6: Final answer
    x = 27,302.12

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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.