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Finding the Fourth Proportional to 5,880,600.80, 8,818,827.60 and 2,687,256.80

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Solution

The fourth proportional to 5,880,600.80, 8,818,827.60 and 2,687,256.80 is: 4,029,937.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,880,600.80 : 8,818,827.60 = 2,687,256.80 : x
  2. Step 2: Convert to fraction form
    5,880,600.80/8,818,827.60 = 2,687,256.80/x
  3. Step 3: Cross multiply
    5,880,600.80x = 8,818,827.60 × 2,687,256.80
  4. Step 4: Simplify right side
    5,880,600.80x = 23,698,454,436,127.68
  5. Step 5: Solve for x
    x = 23,698,454,436,127.68/5,880,600.80
  6. Step 6: Final answer
    x = 4,029,937.63

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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.