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Finding the Fourth Proportional to 8,641,762.92, 12,962,648.70 and 2,251,999.08

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Solution

The fourth proportional to 8,641,762.92, 12,962,648.70 and 2,251,999.08 is: 3,377,999.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,641,762.92 : 12,962,648.70 = 2,251,999.08 : x
  2. Step 2: Convert to fraction form
    8,641,762.92/12,962,648.70 = 2,251,999.08/x
  3. Step 3: Cross multiply
    8,641,762.92x = 12,962,648.70 × 2,251,999.08
  4. Step 4: Simplify right side
    8,641,762.92x = 29,191,872,946,763.20
  5. Step 5: Solve for x
    x = 29,191,872,946,763.20/8,641,762.92
  6. Step 6: Final answer
    x = 3,377,999.75

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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.