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Finding the Fourth Proportional to 62,860.94, 86,747.33 and 46,800

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Solution

The fourth proportional to 62,860.94, 86,747.33 and 46,800 is: 64,583.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,860.94 : 86,747.33 = 46,800 : x
  2. Step 2: Convert to fraction form
    62,860.94/86,747.33 = 46,800/x
  3. Step 3: Cross multiply
    62,860.94x = 86,747.33 × 46,800
  4. Step 4: Simplify right side
    62,860.94x = 4,059,775,044
  5. Step 5: Solve for x
    x = 4,059,775,044/62,860.94
  6. Step 6: Final answer
    x = 64,583.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.