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Finding the Fourth Proportional to 57,999, 80,038.62 and 32,853.36

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Solution

The fourth proportional to 57,999, 80,038.62 and 32,853.36 is: 45,337.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,999 : 80,038.62 = 32,853.36 : x
  2. Step 2: Convert to fraction form
    57,999/80,038.62 = 32,853.36/x
  3. Step 3: Cross multiply
    57,999x = 80,038.62 × 32,853.36
  4. Step 4: Simplify right side
    57,999x = 2,629,537,596.76
  5. Step 5: Solve for x
    x = 2,629,537,596.76/57,999
  6. Step 6: Final answer
    x = 45,337.64

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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.