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Finding the Fourth Proportional to 27,705.34, 41,549.20 and 8,980.98

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Solution

The fourth proportional to 27,705.34, 41,549.20 and 8,980.98 is: 13,468.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,705.34 : 41,549.20 = 8,980.98 : x
  2. Step 2: Convert to fraction form
    27,705.34/41,549.20 = 8,980.98/x
  3. Step 3: Cross multiply
    27,705.34x = 41,549.20 × 8,980.98
  4. Step 4: Simplify right side
    27,705.34x = 373,152,406.47
  5. Step 5: Solve for x
    x = 373,152,406.47/27,705.34
  6. Step 6: Final answer
    x = 13,468.61

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.