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Finding the Fourth Proportional to 5,645,978.04, 8,464,206.24 and 2,448,696.12

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Solution

The fourth proportional to 5,645,978.04, 8,464,206.24 and 2,448,696.12 is: 3,670,979.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,645,978.04 : 8,464,206.24 = 2,448,696.12 : x
  2. Step 2: Convert to fraction form
    5,645,978.04/8,464,206.24 = 2,448,696.12/x
  3. Step 3: Cross multiply
    5,645,978.04x = 8,464,206.24 × 2,448,696.12
  4. Step 4: Simplify right side
    5,645,978.04x = 20,726,268,978,767.79
  5. Step 5: Solve for x
    x = 20,726,268,978,767.79/5,645,978.04
  6. Step 6: Final answer
    x = 3,670,979.38

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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.