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Finding the Fourth Proportional to 19,735.52, 29,649.24 and 18,673.88

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Solution

The fourth proportional to 19,735.52, 29,649.24 and 18,673.88 is: 28,054.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,735.52 : 29,649.24 = 18,673.88 : x
  2. Step 2: Convert to fraction form
    19,735.52/29,649.24 = 18,673.88/x
  3. Step 3: Cross multiply
    19,735.52x = 29,649.24 × 18,673.88
  4. Step 4: Simplify right side
    19,735.52x = 553,666,349.85
  5. Step 5: Solve for x
    x = 553,666,349.85/19,735.52
  6. Step 6: Final answer
    x = 28,054.31

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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.