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Finding the Fourth Proportional to 70,173.53, 96,837.32 and 38,342.38

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Solution

The fourth proportional to 70,173.53, 96,837.32 and 38,342.38 is: 52,911.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,173.53 : 96,837.32 = 38,342.38 : x
  2. Step 2: Convert to fraction form
    70,173.53/96,837.32 = 38,342.38/x
  3. Step 3: Cross multiply
    70,173.53x = 96,837.32 × 38,342.38
  4. Step 4: Simplify right side
    70,173.53x = 3,712,973,321.62
  5. Step 5: Solve for x
    x = 3,712,973,321.62/70,173.53
  6. Step 6: Final answer
    x = 52,911.31

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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.