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Finding the Fourth Proportional to 57,960.75, 86,948.55 and 16,407.75

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Solution

The fourth proportional to 57,960.75, 86,948.55 and 16,407.75 is: 24,613.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,960.75 : 86,948.55 = 16,407.75 : x
  2. Step 2: Convert to fraction form
    57,960.75/86,948.55 = 16,407.75/x
  3. Step 3: Cross multiply
    57,960.75x = 86,948.55 × 16,407.75
  4. Step 4: Simplify right side
    57,960.75x = 1,426,630,071.26
  5. Step 5: Solve for x
    x = 1,426,630,071.26/57,960.75
  6. Step 6: Final answer
    x = 24,613.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.