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Finding the Fourth Proportional to 29,185.71, 43,785.06 and 8,407.59

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Solution

The fourth proportional to 29,185.71, 43,785.06 and 8,407.59 is: 12,613.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,185.71 : 43,785.06 = 8,407.59 : x
  2. Step 2: Convert to fraction form
    29,185.71/43,785.06 = 8,407.59/x
  3. Step 3: Cross multiply
    29,185.71x = 43,785.06 × 8,407.59
  4. Step 4: Simplify right side
    29,185.71x = 368,126,832.61
  5. Step 5: Solve for x
    x = 368,126,832.61/29,185.71
  6. Step 6: Final answer
    x = 12,613.26

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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.