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Finding the Fourth Proportional to 44,676.78, 66,967.83 and 20,964.30

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Solution

The fourth proportional to 44,676.78, 66,967.83 and 20,964.30 is: 31,424.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,676.78 : 66,967.83 = 20,964.30 : x
  2. Step 2: Convert to fraction form
    44,676.78/66,967.83 = 20,964.30/x
  3. Step 3: Cross multiply
    44,676.78x = 66,967.83 × 20,964.30
  4. Step 4: Simplify right side
    44,676.78x = 1,403,933,678.47
  5. Step 5: Solve for x
    x = 1,403,933,678.47/44,676.78
  6. Step 6: Final answer
    x = 31,424.24

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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.