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Finding the Fourth Proportional to 61,638.63, 85,061.91 and 33,344.92

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Solution

The fourth proportional to 61,638.63, 85,061.91 and 33,344.92 is: 46,016.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,638.63 : 85,061.91 = 33,344.92 : x
  2. Step 2: Convert to fraction form
    61,638.63/85,061.91 = 33,344.92/x
  3. Step 3: Cross multiply
    61,638.63x = 85,061.91 × 33,344.92
  4. Step 4: Simplify right side
    61,638.63x = 2,836,382,584.00
  5. Step 5: Solve for x
    x = 2,836,382,584.00/61,638.63
  6. Step 6: Final answer
    x = 46,016.32

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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.