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Finding the Fourth Proportional to 40,664.79, 60,991.02 and 11,084.99

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Solution

The fourth proportional to 40,664.79, 60,991.02 and 11,084.99 is: 16,625.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,664.79 : 60,991.02 = 11,084.99 : x
  2. Step 2: Convert to fraction form
    40,664.79/60,991.02 = 11,084.99/x
  3. Step 3: Cross multiply
    40,664.79x = 60,991.02 × 11,084.99
  4. Step 4: Simplify right side
    40,664.79x = 676,084,541.83
  5. Step 5: Solve for x
    x = 676,084,541.83/40,664.79
  6. Step 6: Final answer
    x = 16,625.80

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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.