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Finding the Fourth Proportional to 83,661.60, 125,507.94 and 27,504.84

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Solution

The fourth proportional to 83,661.60, 125,507.94 and 27,504.84 is: 41,262.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,661.60 : 125,507.94 = 27,504.84 : x
  2. Step 2: Convert to fraction form
    83,661.60/125,507.94 = 27,504.84/x
  3. Step 3: Cross multiply
    83,661.60x = 125,507.94 × 27,504.84
  4. Step 4: Simplify right side
    83,661.60x = 3,452,075,808.43
  5. Step 5: Solve for x
    x = 3,452,075,808.43/83,661.60
  6. Step 6: Final answer
    x = 41,262.37

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1.5x scale

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.