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Finding the Fourth Proportional to 40,596.50, 60,902.43 and 18,708.50

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Solution

The fourth proportional to 40,596.50, 60,902.43 and 18,708.50 is: 28,066.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,596.50 : 60,902.43 = 18,708.50 : x
  2. Step 2: Convert to fraction form
    40,596.50/60,902.43 = 18,708.50/x
  3. Step 3: Cross multiply
    40,596.50x = 60,902.43 × 18,708.50
  4. Step 4: Simplify right side
    40,596.50x = 1,139,393,111.66
  5. Step 5: Solve for x
    x = 1,139,393,111.66/40,596.50
  6. Step 6: Final answer
    x = 28,066.29

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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.