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Finding the Fourth Proportional to 8,678,473.20, 13,017,940.20 and 2,694,985.20

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Solution

The fourth proportional to 8,678,473.20, 13,017,940.20 and 2,694,985.20 is: 4,042,549.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,678,473.20 : 13,017,940.20 = 2,694,985.20 : x
  2. Step 2: Convert to fraction form
    8,678,473.20/13,017,940.20 = 2,694,985.20/x
  3. Step 3: Cross multiply
    8,678,473.20x = 13,017,940.20 × 2,694,985.20
  4. Step 4: Simplify right side
    8,678,473.20x = 35,083,156,173,485.04
  5. Step 5: Solve for x
    x = 35,083,156,173,485.04/8,678,473.20
  6. Step 6: Final answer
    x = 4,042,549.35

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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.