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Finding the Fourth Proportional to 70,902.28, 97,847.23 and 39,073.23

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Solution

The fourth proportional to 70,902.28, 97,847.23 and 39,073.23 is: 53,922.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,902.28 : 97,847.23 = 39,073.23 : x
  2. Step 2: Convert to fraction form
    70,902.28/97,847.23 = 39,073.23/x
  3. Step 3: Cross multiply
    70,902.28x = 97,847.23 × 39,073.23
  4. Step 4: Simplify right side
    70,902.28x = 3,823,207,322.65
  5. Step 5: Solve for x
    x = 3,823,207,322.65/70,902.28
  6. Step 6: Final answer
    x = 53,922.21

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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.