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Finding the Fourth Proportional to 8,879,505.84, 13,313,865.24 and 3,481,689.24

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Solution

The fourth proportional to 8,879,505.84, 13,313,865.24 and 3,481,689.24 is: 5,220,419.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,879,505.84 : 13,313,865.24 = 3,481,689.24 : x
  2. Step 2: Convert to fraction form
    8,879,505.84/13,313,865.24 = 3,481,689.24/x
  3. Step 3: Cross multiply
    8,879,505.84x = 13,313,865.24 × 3,481,689.24
  4. Step 4: Simplify right side
    8,879,505.84x = 46,354,741,348,918.02
  5. Step 5: Solve for x
    x = 46,354,741,348,918.02/8,879,505.84
  6. Step 6: Final answer
    x = 5,220,419.04

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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.