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Finding the Fourth Proportional to 29,650.70, 40,916.44 and 16,219.34

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Solution

The fourth proportional to 29,650.70, 40,916.44 and 16,219.34 is: 22,381.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,650.70 : 40,916.44 = 16,219.34 : x
  2. Step 2: Convert to fraction form
    29,650.70/40,916.44 = 16,219.34/x
  3. Step 3: Cross multiply
    29,650.70x = 40,916.44 × 16,219.34
  4. Step 4: Simplify right side
    29,650.70x = 663,637,651.95
  5. Step 5: Solve for x
    x = 663,637,651.95/29,650.70
  6. Step 6: Final answer
    x = 22,381.85

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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.