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Finding the Fourth Proportional to 62,752.60, 86,675.78 and 46,907.79

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Solution

The fourth proportional to 62,752.60, 86,675.78 and 46,907.79 is: 64,790.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,752.60 : 86,675.78 = 46,907.79 : x
  2. Step 2: Convert to fraction form
    62,752.60/86,675.78 = 46,907.79/x
  3. Step 3: Cross multiply
    62,752.60x = 86,675.78 × 46,907.79
  4. Step 4: Simplify right side
    62,752.60x = 4,065,769,286.33
  5. Step 5: Solve for x
    x = 4,065,769,286.33/62,752.60
  6. Step 6: Final answer
    x = 64,790.45

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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.