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Finding the Fourth Proportional to 44,720.88, 67,081.04 and 11,440.88

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Solution

The fourth proportional to 44,720.88, 67,081.04 and 11,440.88 is: 17,161.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,720.88 : 67,081.04 = 11,440.88 : x
  2. Step 2: Convert to fraction form
    44,720.88/67,081.04 = 11,440.88/x
  3. Step 3: Cross multiply
    44,720.88x = 67,081.04 × 11,440.88
  4. Step 4: Simplify right side
    44,720.88x = 767,466,128.92
  5. Step 5: Solve for x
    x = 767,466,128.92/44,720.88
  6. Step 6: Final answer
    x = 17,161.25

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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.