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Finding the Fourth Proportional to 29,666.66, 44,450.85 and 20,858.54

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Solution

The fourth proportional to 29,666.66, 44,450.85 and 20,858.54 is: 31,253.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,666.66 : 44,450.85 = 20,858.54 : x
  2. Step 2: Convert to fraction form
    29,666.66/44,450.85 = 20,858.54/x
  3. Step 3: Cross multiply
    29,666.66x = 44,450.85 × 20,858.54
  4. Step 4: Simplify right side
    29,666.66x = 927,179,832.76
  5. Step 5: Solve for x
    x = 927,179,832.76/29,666.66
  6. Step 6: Final answer
    x = 31,253.26

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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.