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Finding the Fourth Proportional to 29,307.76, 43,952.36 and 9,581.76

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Solution

The fourth proportional to 29,307.76, 43,952.36 and 9,581.76 is: 14,369.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,307.76 : 43,952.36 = 9,581.76 : x
  2. Step 2: Convert to fraction form
    29,307.76/43,952.36 = 9,581.76/x
  3. Step 3: Cross multiply
    29,307.76x = 43,952.36 × 9,581.76
  4. Step 4: Simplify right side
    29,307.76x = 421,140,964.95
  5. Step 5: Solve for x
    x = 421,140,964.95/29,307.76
  6. Step 6: Final answer
    x = 14,369.61

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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.