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Finding the Fourth Proportional to 55,507.97, 83,262.72 and 18,068.23

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Solution

The fourth proportional to 55,507.97, 83,262.72 and 18,068.23 is: 27,102.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,507.97 : 83,262.72 = 18,068.23 : x
  2. Step 2: Convert to fraction form
    55,507.97/83,262.72 = 18,068.23/x
  3. Step 3: Cross multiply
    55,507.97x = 83,262.72 × 18,068.23
  4. Step 4: Simplify right side
    55,507.97x = 1,504,409,975.39
  5. Step 5: Solve for x
    x = 1,504,409,975.39/55,507.97
  6. Step 6: Final answer
    x = 27,102.59

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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.