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Finding the Fourth Proportional to 29,710.50, 44,575.28 and 8,651.81

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Solution

The fourth proportional to 29,710.50, 44,575.28 and 8,651.81 is: 12,980.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,710.50 : 44,575.28 = 8,651.81 : x
  2. Step 2: Convert to fraction form
    29,710.50/44,575.28 = 8,651.81/x
  3. Step 3: Cross multiply
    29,710.50x = 44,575.28 × 8,651.81
  4. Step 4: Simplify right side
    29,710.50x = 385,656,630.38
  5. Step 5: Solve for x
    x = 385,656,630.38/29,710.50
  6. Step 6: Final answer
    x = 12,980.48

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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.