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Finding the Fourth Proportional to 29,474.56, 40,677.76 and 22,009.60

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Solution

The fourth proportional to 29,474.56, 40,677.76 and 22,009.60 is: 30,375.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,474.56 : 40,677.76 = 22,009.60 : x
  2. Step 2: Convert to fraction form
    29,474.56/40,677.76 = 22,009.60/x
  3. Step 3: Cross multiply
    29,474.56x = 40,677.76 × 22,009.60
  4. Step 4: Simplify right side
    29,474.56x = 895,301,226.50
  5. Step 5: Solve for x
    x = 895,301,226.50/29,474.56
  6. Step 6: Final answer
    x = 30,375.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.