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Finding the Fourth Proportional to 29,894.40, 44,840.88 and 9,118.08

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Solution

The fourth proportional to 29,894.40, 44,840.88 and 9,118.08 is: 13,676.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,894.40 : 44,840.88 = 9,118.08 : x
  2. Step 2: Convert to fraction form
    29,894.40/44,840.88 = 9,118.08/x
  3. Step 3: Cross multiply
    29,894.40x = 44,840.88 × 9,118.08
  4. Step 4: Simplify right side
    29,894.40x = 408,862,731.11
  5. Step 5: Solve for x
    x = 408,862,731.11/29,894.40
  6. Step 6: Final answer
    x = 13,676.90

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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.