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Finding the Fourth Proportional to 82,430.60, 113,754.36 and 44,704.88

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Solution

The fourth proportional to 82,430.60, 113,754.36 and 44,704.88 is: 61,692.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,430.60 : 113,754.36 = 44,704.88 : x
  2. Step 2: Convert to fraction form
    82,430.60/113,754.36 = 44,704.88/x
  3. Step 3: Cross multiply
    82,430.60x = 113,754.36 × 44,704.88
  4. Step 4: Simplify right side
    82,430.60x = 5,085,375,013.28
  5. Step 5: Solve for x
    x = 5,085,375,013.28/82,430.60
  6. Step 6: Final answer
    x = 61,692.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.