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Finding the Fourth Proportional to 5,880,064.80, 8,815,431.60 and 3,220,672.80

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Solution

The fourth proportional to 5,880,064.80, 8,815,431.60 and 3,220,672.80 is: 4,828,453.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,880,064.80 : 8,815,431.60 = 3,220,672.80 : x
  2. Step 2: Convert to fraction form
    5,880,064.80/8,815,431.60 = 3,220,672.80/x
  3. Step 3: Cross multiply
    5,880,064.80x = 8,815,431.60 × 3,220,672.80
  4. Step 4: Simplify right side
    5,880,064.80x = 28,391,620,774,380.48
  5. Step 5: Solve for x
    x = 28,391,620,774,380.48/5,880,064.80
  6. Step 6: Final answer
    x = 4,828,453.72

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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.