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Finding the Fourth Proportional to 69,873.63, 104,812.19 and 25,500.38

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Solution

The fourth proportional to 69,873.63, 104,812.19 and 25,500.38 is: 38,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,873.63 : 104,812.19 = 25,500.38 : x
  2. Step 2: Convert to fraction form
    69,873.63/104,812.19 = 25,500.38/x
  3. Step 3: Cross multiply
    69,873.63x = 104,812.19 × 25,500.38
  4. Step 4: Simplify right side
    69,873.63x = 2,672,750,022.07
  5. Step 5: Solve for x
    x = 2,672,750,022.07/69,873.63
  6. Step 6: Final answer
    x = 38,251.20

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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.