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Finding the Fourth Proportional to 45,045.70, 62,163.04 and 25,173.70

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Solution

The fourth proportional to 45,045.70, 62,163.04 and 25,173.70 is: 34,739.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,045.70 : 62,163.04 = 25,173.70 : x
  2. Step 2: Convert to fraction form
    45,045.70/62,163.04 = 25,173.70/x
  3. Step 3: Cross multiply
    45,045.70x = 62,163.04 × 25,173.70
  4. Step 4: Simplify right side
    45,045.70x = 1,564,873,720.05
  5. Step 5: Solve for x
    x = 1,564,873,720.05/45,045.70
  6. Step 6: Final answer
    x = 34,739.69

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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.