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Finding the Fourth Proportional to 29,019.44, 43,525.76 and 7,961.62

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Solution

The fourth proportional to 29,019.44, 43,525.76 and 7,961.62 is: 11,941.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,019.44 : 43,525.76 = 7,961.62 : x
  2. Step 2: Convert to fraction form
    29,019.44/43,525.76 = 7,961.62/x
  3. Step 3: Cross multiply
    29,019.44x = 43,525.76 × 7,961.62
  4. Step 4: Simplify right side
    29,019.44x = 346,535,303.89
  5. Step 5: Solve for x
    x = 346,535,303.89/29,019.44
  6. Step 6: Final answer
    x = 11,941.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.