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Finding the Fourth Proportional to 69,645.25, 104,421.48 and 25,266.25

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Solution

The fourth proportional to 69,645.25, 104,421.48 and 25,266.25 is: 37,882.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,645.25 : 104,421.48 = 25,266.25 : x
  2. Step 2: Convert to fraction form
    69,645.25/104,421.48 = 25,266.25/x
  3. Step 3: Cross multiply
    69,645.25x = 104,421.48 × 25,266.25
  4. Step 4: Simplify right side
    69,645.25x = 2,638,339,219.05
  5. Step 5: Solve for x
    x = 2,638,339,219.05/69,645.25
  6. Step 6: Final answer
    x = 37,882.54

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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.