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Finding the Fourth Proportional to 29,479.95, 44,188.32 and 14,656.95

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Solution

The fourth proportional to 29,479.95, 44,188.32 and 14,656.95 is: 21,969.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,479.95 : 44,188.32 = 14,656.95 : x
  2. Step 2: Convert to fraction form
    29,479.95/44,188.32 = 14,656.95/x
  3. Step 3: Cross multiply
    29,479.95x = 44,188.32 × 14,656.95
  4. Step 4: Simplify right side
    29,479.95x = 647,665,996.82
  5. Step 5: Solve for x
    x = 647,665,996.82/29,479.95
  6. Step 6: Final answer
    x = 21,969.71

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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.