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Finding the Fourth Proportional to 3,586,287.09, 4,949,032.63 and 1,954,689.41

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Solution

The fourth proportional to 3,586,287.09, 4,949,032.63 and 1,954,689.41 is: 2,697,447.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586,287.09 : 4,949,032.63 = 1,954,689.41 : x
  2. Step 2: Convert to fraction form
    3,586,287.09/4,949,032.63 = 1,954,689.41/x
  3. Step 3: Cross multiply
    3,586,287.09x = 4,949,032.63 × 1,954,689.41
  4. Step 4: Simplify right side
    3,586,287.09x = 9,673,821,671,605.45
  5. Step 5: Solve for x
    x = 9,673,821,671,605.45/3,586,287.09
  6. Step 6: Final answer
    x = 2,697,447.65

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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.