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Finding the Fourth Proportional to 61,744.34, 85,207.77 and 33,450.63

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Solution

The fourth proportional to 61,744.34, 85,207.77 and 33,450.63 is: 46,162.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,744.34 : 85,207.77 = 33,450.63 : x
  2. Step 2: Convert to fraction form
    61,744.34/85,207.77 = 33,450.63/x
  3. Step 3: Cross multiply
    61,744.34x = 85,207.77 × 33,450.63
  4. Step 4: Simplify right side
    61,744.34x = 2,850,253,587.40
  5. Step 5: Solve for x
    x = 2,850,253,587.40/61,744.34
  6. Step 6: Final answer
    x = 46,162.19

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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.