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Finding the Fourth Proportional to 57,661.07, 79,581.03 and 34,995.68

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Solution

The fourth proportional to 57,661.07, 79,581.03 and 34,995.68 is: 48,299.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,661.07 : 79,581.03 = 34,995.68 : x
  2. Step 2: Convert to fraction form
    57,661.07/79,581.03 = 34,995.68/x
  3. Step 3: Cross multiply
    57,661.07x = 79,581.03 × 34,995.68
  4. Step 4: Simplify right side
    57,661.07x = 2,784,992,259.95
  5. Step 5: Solve for x
    x = 2,784,992,259.95/57,661.07
  6. Step 6: Final answer
    x = 48,299.35

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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.