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Finding the Fourth Proportional to 57,495.93, 79,342.43 and 32,340.57

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Solution

The fourth proportional to 57,495.93, 79,342.43 and 32,340.57 is: 44,628.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,495.93 : 79,342.43 = 32,340.57 : x
  2. Step 2: Convert to fraction form
    57,495.93/79,342.43 = 32,340.57/x
  3. Step 3: Cross multiply
    57,495.93x = 79,342.43 × 32,340.57
  4. Step 4: Simplify right side
    57,495.93x = 2,565,979,411.39
  5. Step 5: Solve for x
    x = 2,565,979,411.39/57,495.93
  6. Step 6: Final answer
    x = 44,628.89

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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.