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Finding the Fourth Proportional to 56,795, 85,203.44 and 25,630.25

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Solution

The fourth proportional to 56,795, 85,203.44 and 25,630.25 is: 38,450.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,795 : 85,203.44 = 25,630.25 : x
  2. Step 2: Convert to fraction form
    56,795/85,203.44 = 25,630.25/x
  3. Step 3: Cross multiply
    56,795x = 85,203.44 × 25,630.25
  4. Step 4: Simplify right side
    56,795x = 2,183,785,339.91
  5. Step 5: Solve for x
    x = 2,183,785,339.91/56,795
  6. Step 6: Final answer
    x = 38,450.31

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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.