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Finding the Fourth Proportional to 62,644.01, 86,449.07 and 33,963.89

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Solution

The fourth proportional to 62,644.01, 86,449.07 and 33,963.89 is: 46,870.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,644.01 : 86,449.07 = 33,963.89 : x
  2. Step 2: Convert to fraction form
    62,644.01/86,449.07 = 33,963.89/x
  3. Step 3: Cross multiply
    62,644.01x = 86,449.07 × 33,963.89
  4. Step 4: Simplify right side
    62,644.01x = 2,936,146,356.75
  5. Step 5: Solve for x
    x = 2,936,146,356.75/62,644.01
  6. Step 6: Final answer
    x = 46,870.35

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1.5x scale

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.