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Finding the Fourth Proportional to 61,968.01, 85,515.86 and 33,673.63

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Solution

The fourth proportional to 61,968.01, 85,515.86 and 33,673.63 is: 46,469.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,968.01 : 85,515.86 = 33,673.63 : x
  2. Step 2: Convert to fraction form
    61,968.01/85,515.86 = 33,673.63/x
  3. Step 3: Cross multiply
    61,968.01x = 85,515.86 × 33,673.63
  4. Step 4: Simplify right side
    61,968.01x = 2,879,629,428.77
  5. Step 5: Solve for x
    x = 2,879,629,428.77/61,968.01
  6. Step 6: Final answer
    x = 46,469.61

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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.