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Finding the Fourth Proportional to 57,879.71, 79,886.48 and 35,225.99

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Solution

The fourth proportional to 57,879.71, 79,886.48 and 35,225.99 is: 48,619.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,879.71 : 79,886.48 = 35,225.99 : x
  2. Step 2: Convert to fraction form
    57,879.71/79,886.48 = 35,225.99/x
  3. Step 3: Cross multiply
    57,879.71x = 79,886.48 × 35,225.99
  4. Step 4: Simplify right side
    57,879.71x = 2,814,080,168.70
  5. Step 5: Solve for x
    x = 2,814,080,168.70/57,879.71
  6. Step 6: Final answer
    x = 48,619.46

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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.