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Finding the Fourth Proportional to 50,856, 70,185.12 and 28,501.44

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Solution

The fourth proportional to 50,856, 70,185.12 and 28,501.44 is: 39,334.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,856 : 70,185.12 = 28,501.44 : x
  2. Step 2: Convert to fraction form
    50,856/70,185.12 = 28,501.44/x
  3. Step 3: Cross multiply
    50,856x = 70,185.12 × 28,501.44
  4. Step 4: Simplify right side
    50,856x = 2,000,376,986.57
  5. Step 5: Solve for x
    x = 2,000,376,986.57/50,856
  6. Step 6: Final answer
    x = 39,334.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.