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Finding the Fourth Proportional to 70,035.33, 96,644.82 and 39,816.39

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Solution

The fourth proportional to 70,035.33, 96,644.82 and 39,816.39 is: 54,944.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,035.33 : 96,644.82 = 39,816.39 : x
  2. Step 2: Convert to fraction form
    70,035.33/96,644.82 = 39,816.39/x
  3. Step 3: Cross multiply
    70,035.33x = 96,644.82 × 39,816.39
  4. Step 4: Simplify right side
    70,035.33x = 3,848,047,844.60
  5. Step 5: Solve for x
    x = 3,848,047,844.60/70,035.33
  6. Step 6: Final answer
    x = 54,944.38

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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.