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Finding the Fourth Proportional to 29,077.21, 43,615.86 and 8,300.71

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Solution

The fourth proportional to 29,077.21, 43,615.86 and 8,300.71 is: 12,451.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,077.21 : 43,615.86 = 8,300.71 : x
  2. Step 2: Convert to fraction form
    29,077.21/43,615.86 = 8,300.71/x
  3. Step 3: Cross multiply
    29,077.21x = 43,615.86 × 8,300.71
  4. Step 4: Simplify right side
    29,077.21x = 362,042,605.26
  5. Step 5: Solve for x
    x = 362,042,605.26/29,077.21
  6. Step 6: Final answer
    x = 12,451.08

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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.