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Finding the Fourth Proportional to 29,646.19, 44,486.79 and 10,939.29

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Solution

The fourth proportional to 29,646.19, 44,486.79 and 10,939.29 is: 16,415.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,646.19 : 44,486.79 = 10,939.29 : x
  2. Step 2: Convert to fraction form
    29,646.19/44,486.79 = 10,939.29/x
  3. Step 3: Cross multiply
    29,646.19x = 44,486.79 × 10,939.29
  4. Step 4: Simplify right side
    29,646.19x = 486,653,689.13
  5. Step 5: Solve for x
    x = 486,653,689.13/29,646.19
  6. Step 6: Final answer
    x = 16,415.39

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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.