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Finding the Fourth Proportional to 63,687.63, 87,890.72 and 36,827.55

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Solution

The fourth proportional to 63,687.63, 87,890.72 and 36,827.55 is: 50,823.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,687.63 : 87,890.72 = 36,827.55 : x
  2. Step 2: Convert to fraction form
    63,687.63/87,890.72 = 36,827.55/x
  3. Step 3: Cross multiply
    63,687.63x = 87,890.72 × 36,827.55
  4. Step 4: Simplify right side
    63,687.63x = 3,236,799,701.20
  5. Step 5: Solve for x
    x = 3,236,799,701.20/63,687.63
  6. Step 6: Final answer
    x = 50,823.05

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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.