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Finding the Fourth Proportional to 51,606.40, 71,198.40 and 29,250.40

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Solution

The fourth proportional to 51,606.40, 71,198.40 and 29,250.40 is: 40,355.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,606.40 : 71,198.40 = 29,250.40 : x
  2. Step 2: Convert to fraction form
    51,606.40/71,198.40 = 29,250.40/x
  3. Step 3: Cross multiply
    51,606.40x = 71,198.40 × 29,250.40
  4. Step 4: Simplify right side
    51,606.40x = 2,082,581,679.36
  5. Step 5: Solve for x
    x = 2,082,581,679.36/51,606.40
  6. Step 6: Final answer
    x = 40,355.10

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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.