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Finding the Fourth Proportional to 29,622.98, 40,879.82 and 16,194.40

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Solution

The fourth proportional to 29,622.98, 40,879.82 and 16,194.40 is: 22,348.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,622.98 : 40,879.82 = 16,194.40 : x
  2. Step 2: Convert to fraction form
    29,622.98/40,879.82 = 16,194.40/x
  3. Step 3: Cross multiply
    29,622.98x = 40,879.82 × 16,194.40
  4. Step 4: Simplify right side
    29,622.98x = 662,024,095.29
  5. Step 5: Solve for x
    x = 662,024,095.29/29,622.98
  6. Step 6: Final answer
    x = 22,348.33

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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.