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Finding the Fourth Proportional to 8,546,971.80, 12,820,457.70 and 2,481,691.80

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Solution

The fourth proportional to 8,546,971.80, 12,820,457.70 and 2,481,691.80 is: 3,722,537.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,546,971.80 : 12,820,457.70 = 2,481,691.80 : x
  2. Step 2: Convert to fraction form
    8,546,971.80/12,820,457.70 = 2,481,691.80/x
  3. Step 3: Cross multiply
    8,546,971.80x = 12,820,457.70 × 2,481,691.80
  4. Step 4: Simplify right side
    8,546,971.80x = 31,816,424,746,336.86
  5. Step 5: Solve for x
    x = 31,816,424,746,336.86/8,546,971.80
  6. Step 6: Final answer
    x = 3,722,537.70

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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.