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Finding the Fourth Proportional to 14,782.52, 22,166.40 and 4,918.34

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Solution

The fourth proportional to 14,782.52, 22,166.40 and 4,918.34 is: 7,375.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,782.52 : 22,166.40 = 4,918.34 : x
  2. Step 2: Convert to fraction form
    14,782.52/22,166.40 = 4,918.34/x
  3. Step 3: Cross multiply
    14,782.52x = 22,166.40 × 4,918.34
  4. Step 4: Simplify right side
    14,782.52x = 109,021,891.78
  5. Step 5: Solve for x
    x = 109,021,891.78/14,782.52
  6. Step 6: Final answer
    x = 7,375.05

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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.