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Finding the Fourth Proportional to 29,571.84, 40,811.04 and 16,996.32

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Solution

The fourth proportional to 29,571.84, 40,811.04 and 16,996.32 is: 23,456.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,571.84 : 40,811.04 = 16,996.32 : x
  2. Step 2: Convert to fraction form
    29,571.84/40,811.04 = 16,996.32/x
  3. Step 3: Cross multiply
    29,571.84x = 40,811.04 × 16,996.32
  4. Step 4: Simplify right side
    29,571.84x = 693,637,495.37
  5. Step 5: Solve for x
    x = 693,637,495.37/29,571.84
  6. Step 6: Final answer
    x = 23,456.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.