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Finding the Fourth Proportional to 57,903.21, 79,899.71 and 32,411.00

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Solution

The fourth proportional to 57,903.21, 79,899.71 and 32,411.00 is: 44,723.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,903.21 : 79,899.71 = 32,411.00 : x
  2. Step 2: Convert to fraction form
    57,903.21/79,899.71 = 32,411.00/x
  3. Step 3: Cross multiply
    57,903.21x = 79,899.71 × 32,411.00
  4. Step 4: Simplify right side
    57,903.21x = 2,589,628,939.26
  5. Step 5: Solve for x
    x = 2,589,628,939.26/57,903.21
  6. Step 6: Final answer
    x = 44,723.41

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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.