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Finding the Fourth Proportional to 70,611.94, 97,401.68 and 41,912.69

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Solution

The fourth proportional to 70,611.94, 97,401.68 and 41,912.69 is: 57,814.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,611.94 : 97,401.68 = 41,912.69 : x
  2. Step 2: Convert to fraction form
    70,611.94/97,401.68 = 41,912.69/x
  3. Step 3: Cross multiply
    70,611.94x = 97,401.68 × 41,912.69
  4. Step 4: Simplify right side
    70,611.94x = 4,082,366,419.32
  5. Step 5: Solve for x
    x = 4,082,366,419.32/70,611.94
  6. Step 6: Final answer
    x = 57,814.11

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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.