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Finding the Fourth Proportional to 40,571.84, 60,857.75 and 15,276.11

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Solution

The fourth proportional to 40,571.84, 60,857.75 and 15,276.11 is: 22,914.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,571.84 : 60,857.75 = 15,276.11 : x
  2. Step 2: Convert to fraction form
    40,571.84/60,857.75 = 15,276.11/x
  3. Step 3: Cross multiply
    40,571.84x = 60,857.75 × 15,276.11
  4. Step 4: Simplify right side
    40,571.84x = 929,669,417.25
  5. Step 5: Solve for x
    x = 929,669,417.25/40,571.84
  6. Step 6: Final answer
    x = 22,914.15

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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.