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Finding the Fourth Proportional to 57,880.71, 79,887.86 and 35,226.99

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Solution

The fourth proportional to 57,880.71, 79,887.86 and 35,226.99 is: 48,620.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,880.71 : 79,887.86 = 35,226.99 : x
  2. Step 2: Convert to fraction form
    57,880.71/79,887.86 = 35,226.99/x
  3. Step 3: Cross multiply
    57,880.71x = 79,887.86 × 35,226.99
  4. Step 4: Simplify right side
    57,880.71x = 2,814,208,845.34
  5. Step 5: Solve for x
    x = 2,814,208,845.34/57,880.71
  6. Step 6: Final answer
    x = 48,620.84

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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.