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Finding the Fourth Proportional to 57,894.44, 79,895.76 and 32,400.61

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Solution

The fourth proportional to 57,894.44, 79,895.76 and 32,400.61 is: 44,713.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,894.44 : 79,895.76 = 32,400.61 : x
  2. Step 2: Convert to fraction form
    57,894.44/79,895.76 = 32,400.61/x
  3. Step 3: Cross multiply
    57,894.44x = 79,895.76 × 32,400.61
  4. Step 4: Simplify right side
    57,894.44x = 2,588,671,160.67
  5. Step 5: Solve for x
    x = 2,588,671,160.67/57,894.44
  6. Step 6: Final answer
    x = 44,713.64

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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.