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Finding the Fourth Proportional to 5,989,076.70, 8,983,615.05 and 1,729,383.90

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Solution

The fourth proportional to 5,989,076.70, 8,983,615.05 and 1,729,383.90 is: 2,594,075.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,989,076.70 : 8,983,615.05 = 1,729,383.90 : x
  2. Step 2: Convert to fraction form
    5,989,076.70/8,983,615.05 = 1,729,383.90/x
  3. Step 3: Cross multiply
    5,989,076.70x = 8,983,615.05 × 1,729,383.90
  4. Step 4: Simplify right side
    5,989,076.70x = 15,536,119,231,267.70
  5. Step 5: Solve for x
    x = 15,536,119,231,267.70/5,989,076.70
  6. Step 6: Final answer
    x = 2,594,075.85

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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.