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Finding the Fourth Proportional to 63,688.97, 87,883.74 and 36,827.39

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Solution

The fourth proportional to 63,688.97, 87,883.74 and 36,827.39 is: 50,817.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,688.97 : 87,883.74 = 36,827.39 : x
  2. Step 2: Convert to fraction form
    63,688.97/87,883.74 = 36,827.39/x
  3. Step 3: Cross multiply
    63,688.97x = 87,883.74 × 36,827.39
  4. Step 4: Simplify right side
    63,688.97x = 3,236,528,328.22
  5. Step 5: Solve for x
    x = 3,236,528,328.22/63,688.97
  6. Step 6: Final answer
    x = 50,817.73

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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.