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Finding the Fourth Proportional to 14,860.40, 22,279.80 and 6,090.80

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Solution

The fourth proportional to 14,860.40, 22,279.80 and 6,090.80 is: 9,131.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,860.40 : 22,279.80 = 6,090.80 : x
  2. Step 2: Convert to fraction form
    14,860.40/22,279.80 = 6,090.80/x
  3. Step 3: Cross multiply
    14,860.40x = 22,279.80 × 6,090.80
  4. Step 4: Simplify right side
    14,860.40x = 135,701,805.84
  5. Step 5: Solve for x
    x = 135,701,805.84/14,860.40
  6. Step 6: Final answer
    x = 9,131.77

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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.