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Finding the Fourth Proportional to 3,586,348.89, 4,949,117.74 and 1,954,751.11

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Solution

The fourth proportional to 3,586,348.89, 4,949,117.74 and 1,954,751.11 is: 2,697,532.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586,348.89 : 4,949,117.74 = 1,954,751.11 : x
  2. Step 2: Convert to fraction form
    3,586,348.89/4,949,117.74 = 1,954,751.11/x
  3. Step 3: Cross multiply
    3,586,348.89x = 4,949,117.74 × 1,954,751.11
  4. Step 4: Simplify right side
    3,586,348.89x = 9,674,293,395,785.69
  5. Step 5: Solve for x
    x = 9,674,293,395,785.69/3,586,348.89
  6. Step 6: Final answer
    x = 2,697,532.70

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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.