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Finding the Fourth Proportional to 18,214.40, 27,301.08 and 9,304.80

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Solution

The fourth proportional to 18,214.40, 27,301.08 and 9,304.80 is: 13,946.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,214.40 : 27,301.08 = 9,304.80 : x
  2. Step 2: Convert to fraction form
    18,214.40/27,301.08 = 9,304.80/x
  3. Step 3: Cross multiply
    18,214.40x = 27,301.08 × 9,304.80
  4. Step 4: Simplify right side
    18,214.40x = 254,031,089.18
  5. Step 5: Solve for x
    x = 254,031,089.18/18,214.40
  6. Step 6: Final answer
    x = 13,946.72

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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.