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Finding the Fourth Proportional to 65,888.28, 90,922.23 and 39,033.27

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Solution

The fourth proportional to 65,888.28, 90,922.23 and 39,033.27 is: 53,863.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,888.28 : 90,922.23 = 39,033.27 : x
  2. Step 2: Convert to fraction form
    65,888.28/90,922.23 = 39,033.27/x
  3. Step 3: Cross multiply
    65,888.28x = 90,922.23 × 39,033.27
  4. Step 4: Simplify right side
    65,888.28x = 3,548,991,952.59
  5. Step 5: Solve for x
    x = 3,548,991,952.59/65,888.28
  6. Step 6: Final answer
    x = 53,863.78

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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.