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Finding the Fourth Proportional to 70,450.65, 97,226.42 and 38,619.63

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Solution

The fourth proportional to 70,450.65, 97,226.42 and 38,619.63 is: 53,297.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,450.65 : 97,226.42 = 38,619.63 : x
  2. Step 2: Convert to fraction form
    70,450.65/97,226.42 = 38,619.63/x
  3. Step 3: Cross multiply
    70,450.65x = 97,226.42 × 38,619.63
  4. Step 4: Simplify right side
    70,450.65x = 3,754,848,366.62
  5. Step 5: Solve for x
    x = 3,754,848,366.62/70,450.65
  6. Step 6: Final answer
    x = 53,297.57

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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.