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Finding the Fourth Proportional to 40,630.96, 60,960.96 and 29,518.80

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Solution

The fourth proportional to 40,630.96, 60,960.96 and 29,518.80 is: 44,288.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,630.96 : 60,960.96 = 29,518.80 : x
  2. Step 2: Convert to fraction form
    40,630.96/60,960.96 = 29,518.80/x
  3. Step 3: Cross multiply
    40,630.96x = 60,960.96 × 29,518.80
  4. Step 4: Simplify right side
    40,630.96x = 1,799,494,386.05
  5. Step 5: Solve for x
    x = 1,799,494,386.05/40,630.96
  6. Step 6: Final answer
    x = 44,288.75

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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.