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Finding the Fourth Proportional to 70,846.26, 97,763.94 and 39,008.94

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Solution

The fourth proportional to 70,846.26, 97,763.94 and 39,008.94 is: 53,830.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,846.26 : 97,763.94 = 39,008.94 : x
  2. Step 2: Convert to fraction form
    70,846.26/97,763.94 = 39,008.94/x
  3. Step 3: Cross multiply
    70,846.26x = 97,763.94 × 39,008.94
  4. Step 4: Simplify right side
    70,846.26x = 3,813,667,669.62
  5. Step 5: Solve for x
    x = 3,813,667,669.62/70,846.26
  6. Step 6: Final answer
    x = 53,830.19

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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.