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Finding the Fourth Proportional to 44,921, 67,381.23 and 11,640.98

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Solution

The fourth proportional to 44,921, 67,381.23 and 11,640.98 is: 17,461.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,921 : 67,381.23 = 11,640.98 : x
  2. Step 2: Convert to fraction form
    44,921/67,381.23 = 11,640.98/x
  3. Step 3: Cross multiply
    44,921x = 67,381.23 × 11,640.98
  4. Step 4: Simplify right side
    44,921x = 784,383,550.81
  5. Step 5: Solve for x
    x = 784,383,550.81/44,921
  6. Step 6: Final answer
    x = 17,461.40

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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.