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Finding the Fourth Proportional to 29,393.28, 40,591.94 and 19,328.22

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Solution

The fourth proportional to 29,393.28, 40,591.94 and 19,328.22 is: 26,692.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,393.28 : 40,591.94 = 19,328.22 : x
  2. Step 2: Convert to fraction form
    29,393.28/40,591.94 = 19,328.22/x
  3. Step 3: Cross multiply
    29,393.28x = 40,591.94 × 19,328.22
  4. Step 4: Simplify right side
    29,393.28x = 784,569,849.91
  5. Step 5: Solve for x
    x = 784,569,849.91/29,393.28
  6. Step 6: Final answer
    x = 26,692.15

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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.