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Finding the Fourth Proportional to 5,874,220.80, 8,811,331.20 and 5,874,220.80

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Solution

The fourth proportional to 5,874,220.80, 8,811,331.20 and 5,874,220.80 is: 8,811,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,874,220.80 : 8,811,331.20 = 5,874,220.80 : x
  2. Step 2: Convert to fraction form
    5,874,220.80/8,811,331.20 = 5,874,220.80/x
  3. Step 3: Cross multiply
    5,874,220.80x = 8,811,331.20 × 5,874,220.80
  4. Step 4: Simplify right side
    5,874,220.80x = 51,759,705,010,728.95
  5. Step 5: Solve for x
    x = 51,759,705,010,728.95/5,874,220.80
  6. Step 6: Final answer
    x = 8,811,331.20

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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.