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Finding the Fourth Proportional to 70,184.82, 96,855.31 and 38,353.72

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Solution

The fourth proportional to 70,184.82, 96,855.31 and 38,353.72 is: 52,928.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,184.82 : 96,855.31 = 38,353.72 : x
  2. Step 2: Convert to fraction form
    70,184.82/96,855.31 = 38,353.72/x
  3. Step 3: Cross multiply
    70,184.82x = 96,855.31 × 38,353.72
  4. Step 4: Simplify right side
    70,184.82x = 3,714,761,440.25
  5. Step 5: Solve for x
    x = 3,714,761,440.25/70,184.82
  6. Step 6: Final answer
    x = 52,928.27

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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.