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Finding the Fourth Proportional to 45,793.60, 68,657.60 and 17,689.60

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Solution

The fourth proportional to 45,793.60, 68,657.60 and 17,689.60 is: 26,521.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,793.60 : 68,657.60 = 17,689.60 : x
  2. Step 2: Convert to fraction form
    45,793.60/68,657.60 = 17,689.60/x
  3. Step 3: Cross multiply
    45,793.60x = 68,657.60 × 17,689.60
  4. Step 4: Simplify right side
    45,793.60x = 1,214,525,480.96
  5. Step 5: Solve for x
    x = 1,214,525,480.96/45,793.60
  6. Step 6: Final answer
    x = 26,521.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.