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Finding the Fourth Proportional to 29,692.86, 40,974.03 and 16,943.05

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Solution

The fourth proportional to 29,692.86, 40,974.03 and 16,943.05 is: 23,380.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,692.86 : 40,974.03 = 16,943.05 : x
  2. Step 2: Convert to fraction form
    29,692.86/40,974.03 = 16,943.05/x
  3. Step 3: Cross multiply
    29,692.86x = 40,974.03 × 16,943.05
  4. Step 4: Simplify right side
    29,692.86x = 694,225,038.99
  5. Step 5: Solve for x
    x = 694,225,038.99/29,692.86
  6. Step 6: Final answer
    x = 23,380.20

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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.