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Finding the Fourth Proportional to 57,485, 79,333.86 and 32,336.36

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Solution

The fourth proportional to 57,485, 79,333.86 and 32,336.36 is: 44,626.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,485 : 79,333.86 = 32,336.36 : x
  2. Step 2: Convert to fraction form
    57,485/79,333.86 = 32,336.36/x
  3. Step 3: Cross multiply
    57,485x = 79,333.86 × 32,336.36
  4. Step 4: Simplify right side
    57,485x = 2,565,368,257.15
  5. Step 5: Solve for x
    x = 2,565,368,257.15/57,485
  6. Step 6: Final answer
    x = 44,626.74

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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.