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Finding the Fourth Proportional to 70,083.58, 96,714.62 and 38,252.20

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Solution

The fourth proportional to 70,083.58, 96,714.62 and 38,252.20 is: 52,787.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,083.58 : 96,714.62 = 38,252.20 : x
  2. Step 2: Convert to fraction form
    70,083.58/96,714.62 = 38,252.20/x
  3. Step 3: Cross multiply
    70,083.58x = 96,714.62 × 38,252.20
  4. Step 4: Simplify right side
    70,083.58x = 3,699,546,987.16
  5. Step 5: Solve for x
    x = 3,699,546,987.16/70,083.58
  6. Step 6: Final answer
    x = 52,787.64

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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.