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Finding the Fourth Proportional to 29,205.54, 43,807.67 and 8,145.02

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Solution

The fourth proportional to 29,205.54, 43,807.67 and 8,145.02 is: 12,217.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,205.54 : 43,807.67 = 8,145.02 : x
  2. Step 2: Convert to fraction form
    29,205.54/43,807.67 = 8,145.02/x
  3. Step 3: Cross multiply
    29,205.54x = 43,807.67 × 8,145.02
  4. Step 4: Simplify right side
    29,205.54x = 356,814,129.27
  5. Step 5: Solve for x
    x = 356,814,129.27/29,205.54
  6. Step 6: Final answer
    x = 12,217.35

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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.