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Finding the Fourth Proportional to 44,653.98, 66,982.59 and 13,489.50

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Solution

The fourth proportional to 44,653.98, 66,982.59 and 13,489.50 is: 20,234.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,653.98 : 66,982.59 = 13,489.50 : x
  2. Step 2: Convert to fraction form
    44,653.98/66,982.59 = 13,489.50/x
  3. Step 3: Cross multiply
    44,653.98x = 66,982.59 × 13,489.50
  4. Step 4: Simplify right side
    44,653.98x = 903,561,647.81
  5. Step 5: Solve for x
    x = 903,561,647.81/44,653.98
  6. Step 6: Final answer
    x = 20,234.74

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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.