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Finding the Fourth Proportional to 5,989,996.80, 8,984,995.20 and 4,100,428.80

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Solution

The fourth proportional to 5,989,996.80, 8,984,995.20 and 4,100,428.80 is: 6,150,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,989,996.80 : 8,984,995.20 = 4,100,428.80 : x
  2. Step 2: Convert to fraction form
    5,989,996.80/8,984,995.20 = 4,100,428.80/x
  3. Step 3: Cross multiply
    5,989,996.80x = 8,984,995.20 × 4,100,428.80
  4. Step 4: Simplify right side
    5,989,996.80x = 36,842,333,085,941.76
  5. Step 5: Solve for x
    x = 36,842,333,085,941.76/5,989,996.80
  6. Step 6: Final answer
    x = 6,150,643.20

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Similar ratio
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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.