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Finding the Fourth Proportional to 70,183.82, 96,853.93 and 38,352.72

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Solution

The fourth proportional to 70,183.82, 96,853.93 and 38,352.72 is: 52,926.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,183.82 : 96,853.93 = 38,352.72 : x
  2. Step 2: Convert to fraction form
    70,183.82/96,853.93 = 38,352.72/x
  3. Step 3: Cross multiply
    70,183.82x = 96,853.93 × 38,352.72
  4. Step 4: Simplify right side
    70,183.82x = 3,714,611,925.51
  5. Step 5: Solve for x
    x = 3,714,611,925.51/70,183.82
  6. Step 6: Final answer
    x = 52,926.90

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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.