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Finding the Fourth Proportional to 8,453,961.76, 12,683,008.17 and 2,696,696.41

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Solution

The fourth proportional to 8,453,961.76, 12,683,008.17 and 2,696,696.41 is: 4,045,703.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,453,961.76 : 12,683,008.17 = 2,696,696.41 : x
  2. Step 2: Convert to fraction form
    8,453,961.76/12,683,008.17 = 2,696,696.41/x
  3. Step 3: Cross multiply
    8,453,961.76x = 12,683,008.17 × 2,696,696.41
  4. Step 4: Simplify right side
    8,453,961.76x = 34,202,222,600,039.67
  5. Step 5: Solve for x
    x = 34,202,222,600,039.67/8,453,961.76
  6. Step 6: Final answer
    x = 4,045,703.49

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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.