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Finding the Fourth Proportional to 5,989,422.60, 8,984,133.90 and 2,800,776.60

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Solution

The fourth proportional to 5,989,422.60, 8,984,133.90 and 2,800,776.60 is: 4,201,164.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,989,422.60 : 8,984,133.90 = 2,800,776.60 : x
  2. Step 2: Convert to fraction form
    5,989,422.60/8,984,133.90 = 2,800,776.60/x
  3. Step 3: Cross multiply
    5,989,422.60x = 8,984,133.90 × 2,800,776.60
  4. Step 4: Simplify right side
    5,989,422.60x = 25,162,551,998,386.74
  5. Step 5: Solve for x
    x = 25,162,551,998,386.74/5,989,422.60
  6. Step 6: Final answer
    x = 4,201,164.90

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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.