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Finding the Fourth Proportional to 29,820.76, 44,740.86 and 12,324.76

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Solution

The fourth proportional to 29,820.76, 44,740.86 and 12,324.76 is: 18,491.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,820.76 : 44,740.86 = 12,324.76 : x
  2. Step 2: Convert to fraction form
    29,820.76/44,740.86 = 12,324.76/x
  3. Step 3: Cross multiply
    29,820.76x = 44,740.86 × 12,324.76
  4. Step 4: Simplify right side
    29,820.76x = 551,420,361.69
  5. Step 5: Solve for x
    x = 551,420,361.69/29,820.76
  6. Step 6: Final answer
    x = 18,491.16

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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.