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Finding the Fourth Proportional to 70,936.33, 97,892.79 and 39,106.37

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Solution

The fourth proportional to 70,936.33, 97,892.79 and 39,106.37 is: 53,967.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,936.33 : 97,892.79 = 39,106.37 : x
  2. Step 2: Convert to fraction form
    70,936.33/97,892.79 = 39,106.37/x
  3. Step 3: Cross multiply
    70,936.33x = 97,892.79 × 39,106.37
  4. Step 4: Simplify right side
    70,936.33x = 3,828,231,176.61
  5. Step 5: Solve for x
    x = 3,828,231,176.61/70,936.33
  6. Step 6: Final answer
    x = 53,967.14

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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.