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Finding the Fourth Proportional to 44,919, 67,378.23 and 11,638.98

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Solution

The fourth proportional to 44,919, 67,378.23 and 11,638.98 is: 17,458.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,919 : 67,378.23 = 11,638.98 : x
  2. Step 2: Convert to fraction form
    44,919/67,378.23 = 11,638.98/x
  3. Step 3: Cross multiply
    44,919x = 67,378.23 × 11,638.98
  4. Step 4: Simplify right side
    44,919x = 784,213,871.41
  5. Step 5: Solve for x
    x = 784,213,871.41/44,919
  6. Step 6: Final answer
    x = 17,458.40

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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.