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Finding the Fourth Proportional to 4,966,685.82, 7,446,010.73 and 1,553,216.22

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Solution

The fourth proportional to 4,966,685.82, 7,446,010.73 and 1,553,216.22 is: 2,328,567.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,966,685.82 : 7,446,010.73 = 1,553,216.22 : x
  2. Step 2: Convert to fraction form
    4,966,685.82/7,446,010.73 = 1,553,216.22/x
  3. Step 3: Cross multiply
    4,966,685.82x = 7,446,010.73 × 1,553,216.22
  4. Step 4: Simplify right side
    4,966,685.82x = 11,565,264,632,363.96
  5. Step 5: Solve for x
    x = 11,565,264,632,363.96/4,966,685.82
  6. Step 6: Final answer
    x = 2,328,567.79

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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.