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Finding the Fourth Proportional to 57,599.32, 79,486.74 and 32,105.80

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Solution

The fourth proportional to 57,599.32, 79,486.74 and 32,105.80 is: 44,305.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,599.32 : 79,486.74 = 32,105.80 : x
  2. Step 2: Convert to fraction form
    57,599.32/79,486.74 = 32,105.80/x
  3. Step 3: Cross multiply
    57,599.32x = 79,486.74 × 32,105.80
  4. Step 4: Simplify right side
    57,599.32x = 2,551,985,377.09
  5. Step 5: Solve for x
    x = 2,551,985,377.09/57,599.32
  6. Step 6: Final answer
    x = 44,305.82

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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.