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Finding the Fourth Proportional to 57,495.36, 79,344.18 and 32,340

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Solution

The fourth proportional to 57,495.36, 79,344.18 and 32,340 is: 44,629.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,495.36 : 79,344.18 = 32,340 : x
  2. Step 2: Convert to fraction form
    57,495.36/79,344.18 = 32,340/x
  3. Step 3: Cross multiply
    57,495.36x = 79,344.18 × 32,340
  4. Step 4: Simplify right side
    57,495.36x = 2,565,990,781.20
  5. Step 5: Solve for x
    x = 2,565,990,781.20/57,495.36
  6. Step 6: Final answer
    x = 44,629.53

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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.