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Finding the Fourth Proportional to 32,000.77, 44,160.99 and 18,579.88

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Solution

The fourth proportional to 32,000.77, 44,160.99 and 18,579.88 is: 25,640.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,000.77 : 44,160.99 = 18,579.88 : x
  2. Step 2: Convert to fraction form
    32,000.77/44,160.99 = 18,579.88/x
  3. Step 3: Cross multiply
    32,000.77x = 44,160.99 × 18,579.88
  4. Step 4: Simplify right side
    32,000.77x = 820,505,714.80
  5. Step 5: Solve for x
    x = 820,505,714.80/32,000.77
  6. Step 6: Final answer
    x = 25,640.19

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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.