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Finding the Fourth Proportional to 70,165.33, 96,829.56 and 38,336.26

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Solution

The fourth proportional to 70,165.33, 96,829.56 and 38,336.26 is: 52,904.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,165.33 : 96,829.56 = 38,336.26 : x
  2. Step 2: Convert to fraction form
    70,165.33/96,829.56 = 38,336.26/x
  3. Step 3: Cross multiply
    70,165.33x = 96,829.56 × 38,336.26
  4. Step 4: Simplify right side
    70,165.33x = 3,712,083,187.85
  5. Step 5: Solve for x
    x = 3,712,083,187.85/70,165.33
  6. Step 6: Final answer
    x = 52,904.81

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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.