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Finding the Fourth Proportional to 5,842,951.61, 8,764,879.82 and 1,952,422.21

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Solution

The fourth proportional to 5,842,951.61, 8,764,879.82 and 1,952,422.21 is: 2,928,784.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,842,951.61 : 8,764,879.82 = 1,952,422.21 : x
  2. Step 2: Convert to fraction form
    5,842,951.61/8,764,879.82 = 1,952,422.21/x
  3. Step 3: Cross multiply
    5,842,951.61x = 8,764,879.82 × 1,952,422.21
  4. Step 4: Simplify right side
    5,842,951.61x = 17,112,746,028,548.80
  5. Step 5: Solve for x
    x = 17,112,746,028,548.80/5,842,951.61
  6. Step 6: Final answer
    x = 2,928,784.49

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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.