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Finding the Fourth Proportional to 70,609.88, 97,441.25 and 38,344.22

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Solution

The fourth proportional to 70,609.88, 97,441.25 and 38,344.22 is: 52,914.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,609.88 : 97,441.25 = 38,344.22 : x
  2. Step 2: Convert to fraction form
    70,609.88/97,441.25 = 38,344.22/x
  3. Step 3: Cross multiply
    70,609.88x = 97,441.25 × 38,344.22
  4. Step 4: Simplify right side
    70,609.88x = 3,736,308,239.87
  5. Step 5: Solve for x
    x = 3,736,308,239.87/70,609.88
  6. Step 6: Final answer
    x = 52,914.81

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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.