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Finding the Fourth Proportional to 70,183.54, 96,852.72 and 38,351.86

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Solution

The fourth proportional to 70,183.54, 96,852.72 and 38,351.86 is: 52,925.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,183.54 : 96,852.72 = 38,351.86 : x
  2. Step 2: Convert to fraction form
    70,183.54/96,852.72 = 38,351.86/x
  3. Step 3: Cross multiply
    70,183.54x = 96,852.72 × 38,351.86
  4. Step 4: Simplify right side
    70,183.54x = 3,714,481,958.06
  5. Step 5: Solve for x
    x = 3,714,481,958.06/70,183.54
  6. Step 6: Final answer
    x = 52,925.26

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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.