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Finding the Fourth Proportional to 5,866,728.21, 8,799,714.45 and 2,028,446.01

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Solution

The fourth proportional to 5,866,728.21, 8,799,714.45 and 2,028,446.01 is: 3,042,538.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,866,728.21 : 8,799,714.45 = 2,028,446.01 : x
  2. Step 2: Convert to fraction form
    5,866,728.21/8,799,714.45 = 2,028,446.01/x
  3. Step 3: Cross multiply
    5,866,728.21x = 8,799,714.45 × 2,028,446.01
  4. Step 4: Simplify right side
    5,866,728.21x = 17,849,745,665,241.84
  5. Step 5: Solve for x
    x = 17,849,745,665,241.84/5,866,728.21
  6. Step 6: Final answer
    x = 3,042,538.37

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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.