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Finding the Fourth Proportional to 14,267.18, 21,404 and 7,693.22

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Solution

The fourth proportional to 14,267.18, 21,404 and 7,693.22 is: 11,541.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,267.18 : 21,404 = 7,693.22 : x
  2. Step 2: Convert to fraction form
    14,267.18/21,404 = 7,693.22/x
  3. Step 3: Cross multiply
    14,267.18x = 21,404 × 7,693.22
  4. Step 4: Simplify right side
    14,267.18x = 164,665,680.88
  5. Step 5: Solve for x
    x = 164,665,680.88/14,267.18
  6. Step 6: Final answer
    x = 11,541.57

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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.