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Finding the Fourth Proportional to 53,639.92, 73,992.31 and 33,461.76

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Solution

The fourth proportional to 53,639.92, 73,992.31 and 33,461.76 is: 46,158.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,639.92 : 73,992.31 = 33,461.76 : x
  2. Step 2: Convert to fraction form
    53,639.92/73,992.31 = 33,461.76/x
  3. Step 3: Cross multiply
    53,639.92x = 73,992.31 × 33,461.76
  4. Step 4: Simplify right side
    53,639.92x = 2,475,912,919.07
  5. Step 5: Solve for x
    x = 2,475,912,919.07/53,639.92
  6. Step 6: Final answer
    x = 46,158.03

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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.