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Finding the Fourth Proportional to 69,106.86, 95,363.52 and 38,893.44

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Solution

The fourth proportional to 69,106.86, 95,363.52 and 38,893.44 is: 53,670.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,106.86 : 95,363.52 = 38,893.44 : x
  2. Step 2: Convert to fraction form
    69,106.86/95,363.52 = 38,893.44/x
  3. Step 3: Cross multiply
    69,106.86x = 95,363.52 × 38,893.44
  4. Step 4: Simplify right side
    69,106.86x = 3,709,015,343.31
  5. Step 5: Solve for x
    x = 3,709,015,343.31/69,106.86
  6. Step 6: Final answer
    x = 53,670.73

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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.