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Finding the Fourth Proportional to 70,866.96, 97,738.23 and 51,725.22

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Solution

The fourth proportional to 70,866.96, 97,738.23 and 51,725.22 is: 71,338.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,866.96 : 97,738.23 = 51,725.22 : x
  2. Step 2: Convert to fraction form
    70,866.96/97,738.23 = 51,725.22/x
  3. Step 3: Cross multiply
    70,866.96x = 97,738.23 × 51,725.22
  4. Step 4: Simplify right side
    70,866.96x = 5,055,531,449.16
  5. Step 5: Solve for x
    x = 5,055,531,449.16/70,866.96
  6. Step 6: Final answer
    x = 71,338.34

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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.