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Finding the Fourth Proportional to 63,617.76, 87,794.88 and 34,938.60

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Solution

The fourth proportional to 63,617.76, 87,794.88 and 34,938.60 is: 48,216.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,617.76 : 87,794.88 = 34,938.60 : x
  2. Step 2: Convert to fraction form
    63,617.76/87,794.88 = 34,938.60/x
  3. Step 3: Cross multiply
    63,617.76x = 87,794.88 × 34,938.60
  4. Step 4: Simplify right side
    63,617.76x = 3,067,430,194.37
  5. Step 5: Solve for x
    x = 3,067,430,194.37/63,617.76
  6. Step 6: Final answer
    x = 48,216.57

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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.