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Finding the Fourth Proportional to 29,500.80, 40,708.80 and 16,922.88

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Solution

The fourth proportional to 29,500.80, 40,708.80 and 16,922.88 is: 23,352.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,500.80 : 40,708.80 = 16,922.88 : x
  2. Step 2: Convert to fraction form
    29,500.80/40,708.80 = 16,922.88/x
  3. Step 3: Cross multiply
    29,500.80x = 40,708.80 × 16,922.88
  4. Step 4: Simplify right side
    29,500.80x = 688,910,137.34
  5. Step 5: Solve for x
    x = 688,910,137.34/29,500.80
  6. Step 6: Final answer
    x = 23,352.25

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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.