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Finding the Fourth Proportional to 63,478.82, 87,597.40 and 36,619.74

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Solution

The fourth proportional to 63,478.82, 87,597.40 and 36,619.74 is: 50,533.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,478.82 : 87,597.40 = 36,619.74 : x
  2. Step 2: Convert to fraction form
    63,478.82/87,597.40 = 36,619.74/x
  3. Step 3: Cross multiply
    63,478.82x = 87,597.40 × 36,619.74
  4. Step 4: Simplify right side
    63,478.82x = 3,207,794,012.68
  5. Step 5: Solve for x
    x = 3,207,794,012.68/63,478.82
  6. Step 6: Final answer
    x = 50,533.30

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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.