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Finding the Fourth Proportional to 69,523.16, 104,284.71 and 25,139.54

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Solution

The fourth proportional to 69,523.16, 104,284.71 and 25,139.54 is: 37,709.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,523.16 : 104,284.71 = 25,139.54 : x
  2. Step 2: Convert to fraction form
    69,523.16/104,284.71 = 25,139.54/x
  3. Step 3: Cross multiply
    69,523.16x = 104,284.71 × 25,139.54
  4. Step 4: Simplify right side
    69,523.16x = 2,621,669,899.15
  5. Step 5: Solve for x
    x = 2,621,669,899.15/69,523.16
  6. Step 6: Final answer
    x = 37,709.31

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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.