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Finding the Fourth Proportional to 65,945.44, 91,004.82 and 35,730.76

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Solution

The fourth proportional to 65,945.44, 91,004.82 and 35,730.76 is: 49,308.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,945.44 : 91,004.82 = 35,730.76 : x
  2. Step 2: Convert to fraction form
    65,945.44/91,004.82 = 35,730.76/x
  3. Step 3: Cross multiply
    65,945.44x = 91,004.82 × 35,730.76
  4. Step 4: Simplify right side
    65,945.44x = 3,251,671,382.26
  5. Step 5: Solve for x
    x = 3,251,671,382.26/65,945.44
  6. Step 6: Final answer
    x = 49,308.51

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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.