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Finding the Fourth Proportional to 65,955.92, 91,023.60 and 37,265.64

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Solution

The fourth proportional to 65,955.92, 91,023.60 and 37,265.64 is: 51,429.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,955.92 : 91,023.60 = 37,265.64 : x
  2. Step 2: Convert to fraction form
    65,955.92/91,023.60 = 37,265.64/x
  3. Step 3: Cross multiply
    65,955.92x = 91,023.60 × 37,265.64
  4. Step 4: Simplify right side
    65,955.92x = 3,392,052,709.10
  5. Step 5: Solve for x
    x = 3,392,052,709.10/65,955.92
  6. Step 6: Final answer
    x = 51,429.09

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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.