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Finding the Fourth Proportional to 29,135, 40,206.30 and 16,562.18

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Solution

The fourth proportional to 29,135, 40,206.30 and 16,562.18 is: 22,855.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,135 : 40,206.30 = 16,562.18 : x
  2. Step 2: Convert to fraction form
    29,135/40,206.30 = 16,562.18/x
  3. Step 3: Cross multiply
    29,135x = 40,206.30 × 16,562.18
  4. Step 4: Simplify right side
    29,135x = 665,903,977.73
  5. Step 5: Solve for x
    x = 665,903,977.73/29,135
  6. Step 6: Final answer
    x = 22,855.81

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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.