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Finding the Fourth Proportional to 8,652,869.24, 12,978,312.40 and 2,263,738.28

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Solution

The fourth proportional to 8,652,869.24, 12,978,312.40 and 2,263,738.28 is: 3,395,348.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,652,869.24 : 12,978,312.40 = 2,263,738.28 : x
  2. Step 2: Convert to fraction form
    8,652,869.24/12,978,312.40 = 2,263,738.28/x
  3. Step 3: Cross multiply
    8,652,869.24x = 12,978,312.40 × 2,263,738.28
  4. Step 4: Simplify right side
    8,652,869.24x = 29,379,502,589,678.67
  5. Step 5: Solve for x
    x = 29,379,502,589,678.67/8,652,869.24
  6. Step 6: Final answer
    x = 3,395,348.04

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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.