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Finding the Fourth Proportional to 29,199.05, 43,798.64 and 8,139.14

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Solution

The fourth proportional to 29,199.05, 43,798.64 and 8,139.14 is: 12,208.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,199.05 : 43,798.64 = 8,139.14 : x
  2. Step 2: Convert to fraction form
    29,199.05/43,798.64 = 8,139.14/x
  3. Step 3: Cross multiply
    29,199.05x = 43,798.64 × 8,139.14
  4. Step 4: Simplify right side
    29,199.05x = 356,483,003.08
  5. Step 5: Solve for x
    x = 356,483,003.08/29,199.05
  6. Step 6: Final answer
    x = 12,208.72

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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.