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Finding the Fourth Proportional to 7,381,293.45, 11,071,940.18 and 7,381,293.45

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Solution

The fourth proportional to 7,381,293.45, 11,071,940.18 and 7,381,293.45 is: 11,071,940.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,293.45 : 11,071,940.18 = 7,381,293.45 : x
  2. Step 2: Convert to fraction form
    7,381,293.45/11,071,940.18 = 7,381,293.45/x
  3. Step 3: Cross multiply
    7,381,293.45x = 11,071,940.18 × 7,381,293.45
  4. Step 4: Simplify right side
    7,381,293.45x = 81,725,239,492,519.36
  5. Step 5: Solve for x
    x = 81,725,239,492,519.36/7,381,293.45
  6. Step 6: Final answer
    x = 11,071,940.18

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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.