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Finding the Fourth Proportional to 44,642.78, 66,964.10 and 18,328.98

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Solution

The fourth proportional to 44,642.78, 66,964.10 and 18,328.98 is: 27,493.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,642.78 : 66,964.10 = 18,328.98 : x
  2. Step 2: Convert to fraction form
    44,642.78/66,964.10 = 18,328.98/x
  3. Step 3: Cross multiply
    44,642.78x = 66,964.10 × 18,328.98
  4. Step 4: Simplify right side
    44,642.78x = 1,227,383,557.97
  5. Step 5: Solve for x
    x = 1,227,383,557.97/44,642.78
  6. Step 6: Final answer
    x = 27,493.44

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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.