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Finding the Fourth Proportional to 8,264,962.80, 12,399,193.80 and 2,507,223.60

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Solution

The fourth proportional to 8,264,962.80, 12,399,193.80 and 2,507,223.60 is: 3,761,366.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264,962.80 : 12,399,193.80 = 2,507,223.60 : x
  2. Step 2: Convert to fraction form
    8,264,962.80/12,399,193.80 = 2,507,223.60/x
  3. Step 3: Cross multiply
    8,264,962.80x = 12,399,193.80 × 2,507,223.60
  4. Step 4: Simplify right side
    8,264,962.80x = 31,087,551,316,333.68
  5. Step 5: Solve for x
    x = 31,087,551,316,333.68/8,264,962.80
  6. Step 6: Final answer
    x = 3,761,366.15

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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.