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Finding the Fourth Proportional to 19,673.58, 29,484.02 and 7,181.84

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Solution

The fourth proportional to 19,673.58, 29,484.02 and 7,181.84 is: 10,763.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,673.58 : 29,484.02 = 7,181.84 : x
  2. Step 2: Convert to fraction form
    19,673.58/29,484.02 = 7,181.84/x
  3. Step 3: Cross multiply
    19,673.58x = 29,484.02 × 7,181.84
  4. Step 4: Simplify right side
    19,673.58x = 211,749,514.20
  5. Step 5: Solve for x
    x = 211,749,514.20/19,673.58
  6. Step 6: Final answer
    x = 10,763.14

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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.