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Finding the Fourth Proportional to 50,603.64, 69,825.15 and 29,379.21

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Solution

The fourth proportional to 50,603.64, 69,825.15 and 29,379.21 is: 40,538.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,603.64 : 69,825.15 = 29,379.21 : x
  2. Step 2: Convert to fraction form
    50,603.64/69,825.15 = 29,379.21/x
  3. Step 3: Cross multiply
    50,603.64x = 69,825.15 × 29,379.21
  4. Step 4: Simplify right side
    50,603.64x = 2,051,407,745.13
  5. Step 5: Solve for x
    x = 2,051,407,745.13/50,603.64
  6. Step 6: Final answer
    x = 40,538.74

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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.