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Finding the Fourth Proportional to 40,398.84, 60,460.56 and 36,893.16

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Solution

The fourth proportional to 40,398.84, 60,460.56 and 36,893.16 is: 55,213.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,398.84 : 60,460.56 = 36,893.16 : x
  2. Step 2: Convert to fraction form
    40,398.84/60,460.56 = 36,893.16/x
  3. Step 3: Cross multiply
    40,398.84x = 60,460.56 × 36,893.16
  4. Step 4: Simplify right side
    40,398.84x = 2,230,581,113.77
  5. Step 5: Solve for x
    x = 2,230,581,113.77/40,398.84
  6. Step 6: Final answer
    x = 55,213.99

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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.