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Finding the Fourth Proportional to 70,058.34, 96,683.24 and 39,846.42

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Solution

The fourth proportional to 70,058.34, 96,683.24 and 39,846.42 is: 54,989.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,058.34 : 96,683.24 = 39,846.42 : x
  2. Step 2: Convert to fraction form
    70,058.34/96,683.24 = 39,846.42/x
  3. Step 3: Cross multiply
    70,058.34x = 96,683.24 × 39,846.42
  4. Step 4: Simplify right side
    70,058.34x = 3,852,481,087.62
  5. Step 5: Solve for x
    x = 3,852,481,087.62/70,058.34
  6. Step 6: Final answer
    x = 54,989.61

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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.