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Finding the Fourth Proportional to 70,059.67, 96,685.25 and 39,850.31

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Solution

The fourth proportional to 70,059.67, 96,685.25 and 39,850.31 is: 54,995.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,059.67 : 96,685.25 = 39,850.31 : x
  2. Step 2: Convert to fraction form
    70,059.67/96,685.25 = 39,850.31/x
  3. Step 3: Cross multiply
    70,059.67x = 96,685.25 × 39,850.31
  4. Step 4: Simplify right side
    70,059.67x = 3,852,937,227.39
  5. Step 5: Solve for x
    x = 3,852,937,227.39/70,059.67
  6. Step 6: Final answer
    x = 54,995.08

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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.