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Finding the Fourth Proportional to 40,039.76, 60,039.76 and 23,403.96

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Solution

The fourth proportional to 40,039.76, 60,039.76 and 23,403.96 is: 35,094.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,039.76 : 60,039.76 = 23,403.96 : x
  2. Step 2: Convert to fraction form
    40,039.76/60,039.76 = 23,403.96/x
  3. Step 3: Cross multiply
    40,039.76x = 60,039.76 × 23,403.96
  4. Step 4: Simplify right side
    40,039.76x = 1,405,168,141.45
  5. Step 5: Solve for x
    x = 1,405,168,141.45/40,039.76
  6. Step 6: Final answer
    x = 35,094.32

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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.