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Finding the Fourth Proportional to 70,194.36, 96,869.76 and 38,365.32

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Solution

The fourth proportional to 70,194.36, 96,869.76 and 38,365.32 is: 52,944.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,194.36 : 96,869.76 = 38,365.32 : x
  2. Step 2: Convert to fraction form
    70,194.36/96,869.76 = 38,365.32/x
  3. Step 3: Cross multiply
    70,194.36x = 96,869.76 × 38,365.32
  4. Step 4: Simplify right side
    70,194.36x = 3,716,439,340.72
  5. Step 5: Solve for x
    x = 3,716,439,340.72/70,194.36
  6. Step 6: Final answer
    x = 52,944.99

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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.