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Finding the Fourth Proportional to 70,460.70, 97,235.53 and 38,195.44

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Solution

The fourth proportional to 70,460.70, 97,235.53 and 38,195.44 is: 52,709.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,460.70 : 97,235.53 = 38,195.44 : x
  2. Step 2: Convert to fraction form
    70,460.70/97,235.53 = 38,195.44/x
  3. Step 3: Cross multiply
    70,460.70x = 97,235.53 × 38,195.44
  4. Step 4: Simplify right side
    70,460.70x = 3,713,954,190.56
  5. Step 5: Solve for x
    x = 3,713,954,190.56/70,460.70
  6. Step 6: Final answer
    x = 52,709.59

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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.