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Finding the Fourth Proportional to 40,534.74, 60,795.02 and 18,342.90

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Solution

The fourth proportional to 40,534.74, 60,795.02 and 18,342.90 is: 27,511.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,534.74 : 60,795.02 = 18,342.90 : x
  2. Step 2: Convert to fraction form
    40,534.74/60,795.02 = 18,342.90/x
  3. Step 3: Cross multiply
    40,534.74x = 60,795.02 × 18,342.90
  4. Step 4: Simplify right side
    40,534.74x = 1,115,157,018.22
  5. Step 5: Solve for x
    x = 1,115,157,018.22/40,534.74
  6. Step 6: Final answer
    x = 27,511.14

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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.