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Finding the Fourth Proportional to 61,554.94, 84,945.81 and 33,260.63

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Solution

The fourth proportional to 61,554.94, 84,945.81 and 33,260.63 is: 45,899.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,554.94 : 84,945.81 = 33,260.63 : x
  2. Step 2: Convert to fraction form
    61,554.94/84,945.81 = 33,260.63/x
  3. Step 3: Cross multiply
    61,554.94x = 84,945.81 × 33,260.63
  4. Step 4: Simplify right side
    61,554.94x = 2,825,350,856.46
  5. Step 5: Solve for x
    x = 2,825,350,856.46/61,554.94
  6. Step 6: Final answer
    x = 45,899.66

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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.