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Finding the Fourth Proportional to 5,813,653.20, 8,723,590.20 and 2,448,200.40

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Solution

The fourth proportional to 5,813,653.20, 8,723,590.20 and 2,448,200.40 is: 3,673,610.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,813,653.20 : 8,723,590.20 = 2,448,200.40 : x
  2. Step 2: Convert to fraction form
    5,813,653.20/8,723,590.20 = 2,448,200.40/x
  3. Step 3: Cross multiply
    5,813,653.20x = 8,723,590.20 × 2,448,200.40
  4. Step 4: Simplify right side
    5,813,653.20x = 21,357,097,017,076.08
  5. Step 5: Solve for x
    x = 21,357,097,017,076.08/5,813,653.20
  6. Step 6: Final answer
    x = 3,673,610.43

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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.