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Finding the Fourth Proportional to 29,339.50, 40,487.79 and 16,763.44

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Solution

The fourth proportional to 29,339.50, 40,487.79 and 16,763.44 is: 23,133.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,339.50 : 40,487.79 = 16,763.44 : x
  2. Step 2: Convert to fraction form
    29,339.50/40,487.79 = 16,763.44/x
  3. Step 3: Cross multiply
    29,339.50x = 40,487.79 × 16,763.44
  4. Step 4: Simplify right side
    29,339.50x = 678,714,600.04
  5. Step 5: Solve for x
    x = 678,714,600.04/29,339.50
  6. Step 6: Final answer
    x = 23,133.14

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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.