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Finding the Fourth Proportional to 29,919.17, 44,878.76 and 9,142.49

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Solution

The fourth proportional to 29,919.17, 44,878.76 and 9,142.49 is: 13,713.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,919.17 : 44,878.76 = 9,142.49 : x
  2. Step 2: Convert to fraction form
    29,919.17/44,878.76 = 9,142.49/x
  3. Step 3: Cross multiply
    29,919.17x = 44,878.76 × 9,142.49
  4. Step 4: Simplify right side
    29,919.17x = 410,303,568.80
  5. Step 5: Solve for x
    x = 410,303,568.80/29,919.17
  6. Step 6: Final answer
    x = 13,713.74

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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.