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Finding the Fourth Proportional to 8,796,809.74, 13,191,073.71 and 3,407,983.42

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Solution

The fourth proportional to 8,796,809.74, 13,191,073.71 and 3,407,983.42 is: 5,110,370.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,796,809.74 : 13,191,073.71 = 3,407,983.42 : x
  2. Step 2: Convert to fraction form
    8,796,809.74/13,191,073.71 = 3,407,983.42/x
  3. Step 3: Cross multiply
    8,796,809.74x = 13,191,073.71 × 3,407,983.42
  4. Step 4: Simplify right side
    8,796,809.74x = 44,954,960,495,677.89
  5. Step 5: Solve for x
    x = 44,954,960,495,677.89/8,796,809.74
  6. Step 6: Final answer
    x = 5,110,370.90

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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.