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Finding the Fourth Proportional to 29,269.95, 43,914.78 and 9,282.72

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Solution

The fourth proportional to 29,269.95, 43,914.78 and 9,282.72 is: 13,927.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,269.95 : 43,914.78 = 9,282.72 : x
  2. Step 2: Convert to fraction form
    29,269.95/43,914.78 = 9,282.72/x
  3. Step 3: Cross multiply
    29,269.95x = 43,914.78 × 9,282.72
  4. Step 4: Simplify right side
    29,269.95x = 407,648,606.60
  5. Step 5: Solve for x
    x = 407,648,606.60/29,269.95
  6. Step 6: Final answer
    x = 13,927.21

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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.