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Finding the Fourth Proportional to 51,404.60, 76,893.65 and 48,255.32

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Solution

The fourth proportional to 51,404.60, 76,893.65 and 48,255.32 is: 72,182.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,404.60 : 76,893.65 = 48,255.32 : x
  2. Step 2: Convert to fraction form
    51,404.60/76,893.65 = 48,255.32/x
  3. Step 3: Cross multiply
    51,404.60x = 76,893.65 × 48,255.32
  4. Step 4: Simplify right side
    51,404.60x = 3,710,527,302.25
  5. Step 5: Solve for x
    x = 3,710,527,302.25/51,404.60
  6. Step 6: Final answer
    x = 72,182.79

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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.