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Finding the Fourth Proportional to 29,300.40, 43,953.66 and 8,523.90

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Solution

The fourth proportional to 29,300.40, 43,953.66 and 8,523.90 is: 12,786.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,300.40 : 43,953.66 = 8,523.90 : x
  2. Step 2: Convert to fraction form
    29,300.40/43,953.66 = 8,523.90/x
  3. Step 3: Cross multiply
    29,300.40x = 43,953.66 × 8,523.90
  4. Step 4: Simplify right side
    29,300.40x = 374,656,602.47
  5. Step 5: Solve for x
    x = 374,656,602.47/29,300.40
  6. Step 6: Final answer
    x = 12,786.74

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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.