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Finding the Fourth Proportional to 69,996.99, 104,995.47 and 17,406.48

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Solution

The fourth proportional to 69,996.99, 104,995.47 and 17,406.48 is: 26,109.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,996.99 : 104,995.47 = 17,406.48 : x
  2. Step 2: Convert to fraction form
    69,996.99/104,995.47 = 17,406.48/x
  3. Step 3: Cross multiply
    69,996.99x = 104,995.47 × 17,406.48
  4. Step 4: Simplify right side
    69,996.99x = 1,827,601,417.05
  5. Step 5: Solve for x
    x = 1,827,601,417.05/69,996.99
  6. Step 6: Final answer
    x = 26,109.71

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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.