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Finding the Fourth Proportional to 29,631.35, 44,447.03 and 11,870.07

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Solution

The fourth proportional to 29,631.35, 44,447.03 and 11,870.07 is: 17,805.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,631.35 : 44,447.03 = 11,870.07 : x
  2. Step 2: Convert to fraction form
    29,631.35/44,447.03 = 11,870.07/x
  3. Step 3: Cross multiply
    29,631.35x = 44,447.03 × 11,870.07
  4. Step 4: Simplify right side
    29,631.35x = 527,589,298.04
  5. Step 5: Solve for x
    x = 527,589,298.04/29,631.35
  6. Step 6: Final answer
    x = 17,805.11

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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.