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Finding the Fourth Proportional to 29,871.79, 41,223.74 and 16,444.22

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Solution

The fourth proportional to 29,871.79, 41,223.74 and 16,444.22 is: 22,693.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,871.79 : 41,223.74 = 16,444.22 : x
  2. Step 2: Convert to fraction form
    29,871.79/41,223.74 = 16,444.22/x
  3. Step 3: Cross multiply
    29,871.79x = 41,223.74 × 16,444.22
  4. Step 4: Simplify right side
    29,871.79x = 677,891,961.44
  5. Step 5: Solve for x
    x = 677,891,961.44/29,871.79
  6. Step 6: Final answer
    x = 22,693.38

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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.