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Finding the Fourth Proportional to 61,514.82, 84,890.46 and 33,220.51

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Solution

The fourth proportional to 61,514.82, 84,890.46 and 33,220.51 is: 45,844.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,514.82 : 84,890.46 = 33,220.51 : x
  2. Step 2: Convert to fraction form
    61,514.82/84,890.46 = 33,220.51/x
  3. Step 3: Cross multiply
    61,514.82x = 84,890.46 × 33,220.51
  4. Step 4: Simplify right side
    61,514.82x = 2,820,104,209.23
  5. Step 5: Solve for x
    x = 2,820,104,209.23/61,514.82
  6. Step 6: Final answer
    x = 45,844.31

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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.