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Finding the Fourth Proportional to 7,866,736.76, 10,856,093.76 and 4,604,172.56

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Solution

The fourth proportional to 7,866,736.76, 10,856,093.76 and 4,604,172.56 is: 6,353,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,866,736.76 : 10,856,093.76 = 4,604,172.56 : x
  2. Step 2: Convert to fraction form
    7,866,736.76/10,856,093.76 = 4,604,172.56/x
  3. Step 3: Cross multiply
    7,866,736.76x = 10,856,093.76 × 4,604,172.56
  4. Step 4: Simplify right side
    7,866,736.76x = 49,983,328,998,579.22
  5. Step 5: Solve for x
    x = 49,983,328,998,579.22/7,866,736.76
  6. Step 6: Final answer
    x = 6,353,756.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.