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Finding the Fourth Proportional to 69,996.59, 104,995.28 and 17,406.08

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Solution

The fourth proportional to 69,996.59, 104,995.28 and 17,406.08 is: 26,109.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,996.59 : 104,995.28 = 17,406.08 : x
  2. Step 2: Convert to fraction form
    69,996.59/104,995.28 = 17,406.08/x
  3. Step 3: Cross multiply
    69,996.59x = 104,995.28 × 17,406.08
  4. Step 4: Simplify right side
    69,996.59x = 1,827,556,243.30
  5. Step 5: Solve for x
    x = 1,827,556,243.30/69,996.59
  6. Step 6: Final answer
    x = 26,109.22

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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.