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Finding the Fourth Proportional to 63,688.88, 87,892.44 and 36,828.80

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Solution

The fourth proportional to 63,688.88, 87,892.44 and 36,828.80 is: 50,824.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,688.88 : 87,892.44 = 36,828.80 : x
  2. Step 2: Convert to fraction form
    63,688.88/87,892.44 = 36,828.80/x
  3. Step 3: Cross multiply
    63,688.88x = 87,892.44 × 36,828.80
  4. Step 4: Simplify right side
    63,688.88x = 3,236,973,094.27
  5. Step 5: Solve for x
    x = 3,236,973,094.27/63,688.88
  6. Step 6: Final answer
    x = 50,824.78

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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.