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Finding the Fourth Proportional to 22,951,804.02, 31,673,696.13 and 12,638,568.66

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Solution

The fourth proportional to 22,951,804.02, 31,673,696.13 and 12,638,568.66 is: 17,441,338.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,951,804.02 : 31,673,696.13 = 12,638,568.66 : x
  2. Step 2: Convert to fraction form
    22,951,804.02/31,673,696.13 = 12,638,568.66/x
  3. Step 3: Cross multiply
    22,951,804.02x = 31,673,696.13 × 12,638,568.66
  4. Step 4: Simplify right side
    22,951,804.02x = 400,310,183,254,981.25
  5. Step 5: Solve for x
    x = 400,310,183,254,981.25/22,951,804.02
  6. Step 6: Final answer
    x = 17,441,338.51

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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.