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Finding the Fourth Proportional to 3,274,259.91, 4,913,911.80 and 2,636,124.90

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Solution

The fourth proportional to 3,274,259.91, 4,913,911.80 and 2,636,124.90 is: 3,956,217.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,274,259.91 : 4,913,911.80 = 2,636,124.90 : x
  2. Step 2: Convert to fraction form
    3,274,259.91/4,913,911.80 = 2,636,124.90/x
  3. Step 3: Cross multiply
    3,274,259.91x = 4,913,911.80 × 2,636,124.90
  4. Step 4: Simplify right side
    3,274,259.91x = 12,953,685,252,383.82
  5. Step 5: Solve for x
    x = 12,953,685,252,383.82/3,274,259.91
  6. Step 6: Final answer
    x = 3,956,217.77

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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.