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Finding the Fourth Proportional to 53,555, 73,813.60 and 35,617.92

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Solution

The fourth proportional to 53,555, 73,813.60 and 35,617.92 is: 49,091.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,555 : 73,813.60 = 35,617.92 : x
  2. Step 2: Convert to fraction form
    53,555/73,813.60 = 35,617.92/x
  3. Step 3: Cross multiply
    53,555x = 73,813.60 × 35,617.92
  4. Step 4: Simplify right side
    53,555x = 2,629,086,899.71
  5. Step 5: Solve for x
    x = 2,629,086,899.71/53,555
  6. Step 6: Final answer
    x = 49,091.34

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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.