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Finding the Fourth Proportional to 45,859.50, 68,800.77 and 13,027.50

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Solution

The fourth proportional to 45,859.50, 68,800.77 and 13,027.50 is: 19,544.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,859.50 : 68,800.77 = 13,027.50 : x
  2. Step 2: Convert to fraction form
    45,859.50/68,800.77 = 13,027.50/x
  3. Step 3: Cross multiply
    45,859.50x = 68,800.77 × 13,027.50
  4. Step 4: Simplify right side
    45,859.50x = 896,302,031.18
  5. Step 5: Solve for x
    x = 896,302,031.18/45,859.50
  6. Step 6: Final answer
    x = 19,544.52

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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.