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Finding the Fourth Proportional to 61,554.80, 84,945.68 and 33,260.48

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Solution

The fourth proportional to 61,554.80, 84,945.68 and 33,260.48 is: 45,899.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,554.80 : 84,945.68 = 33,260.48 : x
  2. Step 2: Convert to fraction form
    61,554.80/84,945.68 = 33,260.48/x
  3. Step 3: Cross multiply
    61,554.80x = 84,945.68 × 33,260.48
  4. Step 4: Simplify right side
    61,554.80x = 2,825,334,090.73
  5. Step 5: Solve for x
    x = 2,825,334,090.73/61,554.80
  6. Step 6: Final answer
    x = 45,899.49

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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.