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Finding the Fourth Proportional to 70,196.44, 96,871.26 and 38,365.72

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Solution

The fourth proportional to 70,196.44, 96,871.26 and 38,365.72 is: 52,944.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,196.44 : 96,871.26 = 38,365.72 : x
  2. Step 2: Convert to fraction form
    70,196.44/96,871.26 = 38,365.72/x
  3. Step 3: Cross multiply
    70,196.44x = 96,871.26 × 38,365.72
  4. Step 4: Simplify right side
    70,196.44x = 3,716,535,637.21
  5. Step 5: Solve for x
    x = 3,716,535,637.21/70,196.44
  6. Step 6: Final answer
    x = 52,944.79

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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.