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Finding the Fourth Proportional to 74,359.26, 111,530.73 and 21,769.26

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Solution

The fourth proportional to 74,359.26, 111,530.73 and 21,769.26 is: 32,651.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,359.26 : 111,530.73 = 21,769.26 : x
  2. Step 2: Convert to fraction form
    74,359.26/111,530.73 = 21,769.26/x
  3. Step 3: Cross multiply
    74,359.26x = 111,530.73 × 21,769.26
  4. Step 4: Simplify right side
    74,359.26x = 2,427,941,459.36
  5. Step 5: Solve for x
    x = 2,427,941,459.36/74,359.26
  6. Step 6: Final answer
    x = 32,651.50

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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.