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Finding the Fourth Proportional to 6,488,783.81, 9,733,112.52 and 4,561,745.21

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Solution

The fourth proportional to 6,488,783.81, 9,733,112.52 and 4,561,745.21 is: 6,842,573.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,488,783.81 : 9,733,112.52 = 4,561,745.21 : x
  2. Step 2: Convert to fraction form
    6,488,783.81/9,733,112.52 = 4,561,745.21/x
  3. Step 3: Cross multiply
    6,488,783.81x = 9,733,112.52 × 4,561,745.21
  4. Step 4: Simplify right side
    6,488,783.81x = 44,399,979,367,835.47
  5. Step 5: Solve for x
    x = 44,399,979,367,835.47/6,488,783.81
  6. Step 6: Final answer
    x = 6,842,573.39

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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.