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Finding the Fourth Proportional to 85,472.44, 128,207.26 and 32,893.32

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Solution

The fourth proportional to 85,472.44, 128,207.26 and 32,893.32 is: 49,339.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,472.44 : 128,207.26 = 32,893.32 : x
  2. Step 2: Convert to fraction form
    85,472.44/128,207.26 = 32,893.32/x
  3. Step 3: Cross multiply
    85,472.44x = 128,207.26 × 32,893.32
  4. Step 4: Simplify right side
    85,472.44x = 4,217,162,429.50
  5. Step 5: Solve for x
    x = 4,217,162,429.50/85,472.44
  6. Step 6: Final answer
    x = 49,339.44

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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.