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Finding the Fourth Proportional to 70,059.56, 96,684.32 and 39,849.23

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Solution

The fourth proportional to 70,059.56, 96,684.32 and 39,849.23 is: 54,993.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,059.56 : 96,684.32 = 39,849.23 : x
  2. Step 2: Convert to fraction form
    70,059.56/96,684.32 = 39,849.23/x
  3. Step 3: Cross multiply
    70,059.56x = 96,684.32 × 39,849.23
  4. Step 4: Simplify right side
    70,059.56x = 3,852,795,705.07
  5. Step 5: Solve for x
    x = 3,852,795,705.07/70,059.56
  6. Step 6: Final answer
    x = 54,993.15

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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.