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Finding the Fourth Proportional to 62,014.48, 92,945.16 and 28,688.64

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Solution

The fourth proportional to 62,014.48, 92,945.16 and 28,688.64 is: 42,997.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,014.48 : 92,945.16 = 28,688.64 : x
  2. Step 2: Convert to fraction form
    62,014.48/92,945.16 = 28,688.64/x
  3. Step 3: Cross multiply
    62,014.48x = 92,945.16 × 28,688.64
  4. Step 4: Simplify right side
    62,014.48x = 2,666,470,234.98
  5. Step 5: Solve for x
    x = 2,666,470,234.98/62,014.48
  6. Step 6: Final answer
    x = 42,997.54

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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.