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Finding the Fourth Proportional to 71,016.48, 106,566.24 and 26,674.32

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Solution

The fourth proportional to 71,016.48, 106,566.24 and 26,674.32 is: 40,027.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,016.48 : 106,566.24 = 26,674.32 : x
  2. Step 2: Convert to fraction form
    71,016.48/106,566.24 = 26,674.32/x
  3. Step 3: Cross multiply
    71,016.48x = 106,566.24 × 26,674.32
  4. Step 4: Simplify right side
    71,016.48x = 2,842,581,986.96
  5. Step 5: Solve for x
    x = 2,842,581,986.96/71,016.48
  6. Step 6: Final answer
    x = 40,027.08

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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.