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Finding the Fourth Proportional to 45,351.83, 68,027.90 and 13,762.17

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Solution

The fourth proportional to 45,351.83, 68,027.90 and 13,762.17 is: 20,643.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,351.83 : 68,027.90 = 13,762.17 : x
  2. Step 2: Convert to fraction form
    45,351.83/68,027.90 = 13,762.17/x
  3. Step 3: Cross multiply
    45,351.83x = 68,027.90 × 13,762.17
  4. Step 4: Simplify right side
    45,351.83x = 936,211,455.73
  5. Step 5: Solve for x
    x = 936,211,455.73/45,351.83
  6. Step 6: Final answer
    x = 20,643.30

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1.5x scale

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.