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Finding the Fourth Proportional to 8,819,679.80, 13,224,369.84 and 3,422,026.04

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Solution

The fourth proportional to 8,819,679.80, 13,224,369.84 and 3,422,026.04 is: 5,131,040.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819,679.80 : 13,224,369.84 = 3,422,026.04 : x
  2. Step 2: Convert to fraction form
    8,819,679.80/13,224,369.84 = 3,422,026.04/x
  3. Step 3: Cross multiply
    8,819,679.80x = 13,224,369.84 × 3,422,026.04
  4. Step 4: Simplify right side
    8,819,679.80x = 45,254,137,955,070.63
  5. Step 5: Solve for x
    x = 45,254,137,955,070.63/8,819,679.80
  6. Step 6: Final answer
    x = 5,131,040.92

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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.