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Finding the Fourth Proportional to 61,668.83, 85,103.24 and 33,374.51

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Solution

The fourth proportional to 61,668.83, 85,103.24 and 33,374.51 is: 46,056.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,668.83 : 85,103.24 = 33,374.51 : x
  2. Step 2: Convert to fraction form
    61,668.83/85,103.24 = 33,374.51/x
  3. Step 3: Cross multiply
    61,668.83x = 85,103.24 × 33,374.51
  4. Step 4: Simplify right side
    61,668.83x = 2,840,278,767.54
  5. Step 5: Solve for x
    x = 2,840,278,767.54/61,668.83
  6. Step 6: Final answer
    x = 46,056.96

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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.