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Finding the Fourth Proportional to 70,609.94, 97,398.92 and 41,910.69

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Solution

The fourth proportional to 70,609.94, 97,398.92 and 41,910.69 is: 57,811.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,609.94 : 97,398.92 = 41,910.69 : x
  2. Step 2: Convert to fraction form
    70,609.94/97,398.92 = 41,910.69/x
  3. Step 3: Cross multiply
    70,609.94x = 97,398.92 × 41,910.69
  4. Step 4: Simplify right side
    70,609.94x = 4,082,055,942.45
  5. Step 5: Solve for x
    x = 4,082,055,942.45/70,609.94
  6. Step 6: Final answer
    x = 57,811.35

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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.