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Finding the Fourth Proportional to 69,352.15, 104,028.25 and 16,761.63

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Solution

The fourth proportional to 69,352.15, 104,028.25 and 16,761.63 is: 25,142.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,352.15 : 104,028.25 = 16,761.63 : x
  2. Step 2: Convert to fraction form
    69,352.15/104,028.25 = 16,761.63/x
  3. Step 3: Cross multiply
    69,352.15x = 104,028.25 × 16,761.63
  4. Step 4: Simplify right side
    69,352.15x = 1,743,683,036.05
  5. Step 5: Solve for x
    x = 1,743,683,036.05/69,352.15
  6. Step 6: Final answer
    x = 25,142.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.