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Finding the Fourth Proportional to 29,081.68, 43,617.84 and 8,300.32

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Solution

The fourth proportional to 29,081.68, 43,617.84 and 8,300.32 is: 12,449.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,081.68 : 43,617.84 = 8,300.32 : x
  2. Step 2: Convert to fraction form
    29,081.68/43,617.84 = 8,300.32/x
  3. Step 3: Cross multiply
    29,081.68x = 43,617.84 × 8,300.32
  4. Step 4: Simplify right side
    29,081.68x = 362,042,029.71
  5. Step 5: Solve for x
    x = 362,042,029.71/29,081.68
  6. Step 6: Final answer
    x = 12,449.14

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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.