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Finding the Fourth Proportional to 40,466.09, 60,716.63 and 21,724.25

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Solution

The fourth proportional to 40,466.09, 60,716.63 and 21,724.25 is: 32,595.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,466.09 : 60,716.63 = 21,724.25 : x
  2. Step 2: Convert to fraction form
    40,466.09/60,716.63 = 21,724.25/x
  3. Step 3: Cross multiply
    40,466.09x = 60,716.63 × 21,724.25
  4. Step 4: Simplify right side
    40,466.09x = 1,319,023,000.00
  5. Step 5: Solve for x
    x = 1,319,023,000.00/40,466.09
  6. Step 6: Final answer
    x = 32,595.76

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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.