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Finding the Fourth Proportional to 63,085.94, 87,055.67 and 36,209.54

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Solution

The fourth proportional to 63,085.94, 87,055.67 and 36,209.54 is: 49,967.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,085.94 : 87,055.67 = 36,209.54 : x
  2. Step 2: Convert to fraction form
    63,085.94/87,055.67 = 36,209.54/x
  3. Step 3: Cross multiply
    63,085.94x = 87,055.67 × 36,209.54
  4. Step 4: Simplify right side
    63,085.94x = 3,152,245,765.09
  5. Step 5: Solve for x
    x = 3,152,245,765.09/63,085.94
  6. Step 6: Final answer
    x = 49,967.49

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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.