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Finding the Fourth Proportional to 54,843.30, 75,644.96 and 35,687.81

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Solution

The fourth proportional to 54,843.30, 75,644.96 and 35,687.81 is: 49,223.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,843.30 : 75,644.96 = 35,687.81 : x
  2. Step 2: Convert to fraction form
    54,843.30/75,644.96 = 35,687.81/x
  3. Step 3: Cross multiply
    54,843.30x = 75,644.96 × 35,687.81
  4. Step 4: Simplify right side
    54,843.30x = 2,699,602,970.61
  5. Step 5: Solve for x
    x = 2,699,602,970.61/54,843.30
  6. Step 6: Final answer
    x = 49,223.93

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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.