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Finding the Fourth Proportional to 69,883.36, 96,441.36 and 38,050.72

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Solution

The fourth proportional to 69,883.36, 96,441.36 and 38,050.72 is: 52,511.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,883.36 : 96,441.36 = 38,050.72 : x
  2. Step 2: Convert to fraction form
    69,883.36/96,441.36 = 38,050.72/x
  3. Step 3: Cross multiply
    69,883.36x = 96,441.36 × 38,050.72
  4. Step 4: Simplify right side
    69,883.36x = 3,669,663,185.78
  5. Step 5: Solve for x
    x = 3,669,663,185.78/69,883.36
  6. Step 6: Final answer
    x = 52,511.26

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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.