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Finding the Fourth Proportional to 63,125.87, 87,116.28 and 36,276.80

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Solution

The fourth proportional to 63,125.87, 87,116.28 and 36,276.80 is: 50,063.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,125.87 : 87,116.28 = 36,276.80 : x
  2. Step 2: Convert to fraction form
    63,125.87/87,116.28 = 36,276.80/x
  3. Step 3: Cross multiply
    63,125.87x = 87,116.28 × 36,276.80
  4. Step 4: Simplify right side
    63,125.87x = 3,160,299,866.30
  5. Step 5: Solve for x
    x = 3,160,299,866.30/63,125.87
  6. Step 6: Final answer
    x = 50,063.47

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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.