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Finding the Fourth Proportional to 63,673.80, 87,845.94 and 39,463.74

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Solution

The fourth proportional to 63,673.80, 87,845.94 and 39,463.74 is: 54,445.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,673.80 : 87,845.94 = 39,463.74 : x
  2. Step 2: Convert to fraction form
    63,673.80/87,845.94 = 39,463.74/x
  3. Step 3: Cross multiply
    63,673.80x = 87,845.94 × 39,463.74
  4. Step 4: Simplify right side
    63,673.80x = 3,466,729,336.22
  5. Step 5: Solve for x
    x = 3,466,729,336.22/63,673.80
  6. Step 6: Final answer
    x = 54,445.15

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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.