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Finding the Fourth Proportional to 70,242.58, 96,933.27 and 38,409.58

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Solution

The fourth proportional to 70,242.58, 96,933.27 and 38,409.58 is: 53,004.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,242.58 : 96,933.27 = 38,409.58 : x
  2. Step 2: Convert to fraction form
    70,242.58/96,933.27 = 38,409.58/x
  3. Step 3: Cross multiply
    70,242.58x = 96,933.27 × 38,409.58
  4. Step 4: Simplify right side
    70,242.58x = 3,723,166,188.73
  5. Step 5: Solve for x
    x = 3,723,166,188.73/70,242.58
  6. Step 6: Final answer
    x = 53,004.41

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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.