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Finding the Fourth Proportional to 57,732.61, 79,662.45 and 35,059.78

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Solution

The fourth proportional to 57,732.61, 79,662.45 and 35,059.78 is: 48,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,732.61 : 79,662.45 = 35,059.78 : x
  2. Step 2: Convert to fraction form
    57,732.61/79,662.45 = 35,059.78/x
  3. Step 3: Cross multiply
    57,732.61x = 79,662.45 × 35,059.78
  4. Step 4: Simplify right side
    57,732.61x = 2,792,947,971.26
  5. Step 5: Solve for x
    x = 2,792,947,971.26/57,732.61
  6. Step 6: Final answer
    x = 48,377.30

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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.