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Finding the Fourth Proportional to 45,597.39, 68,379.67 and 19,303.98

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Solution

The fourth proportional to 45,597.39, 68,379.67 and 19,303.98 is: 28,949.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,597.39 : 68,379.67 = 19,303.98 : x
  2. Step 2: Convert to fraction form
    45,597.39/68,379.67 = 19,303.98/x
  3. Step 3: Cross multiply
    45,597.39x = 68,379.67 × 19,303.98
  4. Step 4: Simplify right side
    45,597.39x = 1,319,999,782.09
  5. Step 5: Solve for x
    x = 1,319,999,782.09/45,597.39
  6. Step 6: Final answer
    x = 28,949.02

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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.