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Finding the Fourth Proportional to 29,929.84, 44,895.20 and 8,872

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Solution

The fourth proportional to 29,929.84, 44,895.20 and 8,872 is: 13,308.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,929.84 : 44,895.20 = 8,872 : x
  2. Step 2: Convert to fraction form
    29,929.84/44,895.20 = 8,872/x
  3. Step 3: Cross multiply
    29,929.84x = 44,895.20 × 8,872
  4. Step 4: Simplify right side
    29,929.84x = 398,310,214.40
  5. Step 5: Solve for x
    x = 398,310,214.40/29,929.84
  6. Step 6: Final answer
    x = 13,308.13

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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.