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Finding the Fourth Proportional to 5,981,602.60, 8,972,403.90 and 1,992,514.60

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Solution

The fourth proportional to 5,981,602.60, 8,972,403.90 and 1,992,514.60 is: 2,988,771.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,981,602.60 : 8,972,403.90 = 1,992,514.60 : x
  2. Step 2: Convert to fraction form
    5,981,602.60/8,972,403.90 = 1,992,514.60/x
  3. Step 3: Cross multiply
    5,981,602.60x = 8,972,403.90 × 1,992,514.60
  4. Step 4: Simplify right side
    5,981,602.60x = 17,877,645,767,846.94
  5. Step 5: Solve for x
    x = 17,877,645,767,846.94/5,981,602.60
  6. Step 6: Final answer
    x = 2,988,771.90

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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.