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Finding the Fourth Proportional to 73,882.80, 101,922.84 and 53,708.40

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Solution

The fourth proportional to 73,882.80, 101,922.84 and 53,708.40 is: 74,091.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,882.80 : 101,922.84 = 53,708.40 : x
  2. Step 2: Convert to fraction form
    73,882.80/101,922.84 = 53,708.40/x
  3. Step 3: Cross multiply
    73,882.80x = 101,922.84 × 53,708.40
  4. Step 4: Simplify right side
    73,882.80x = 5,474,112,659.86
  5. Step 5: Solve for x
    x = 5,474,112,659.86/73,882.80
  6. Step 6: Final answer
    x = 74,091.84

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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.