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Finding the Fourth Proportional to 29,590.80, 44,313.30 and 19,676.40

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Solution

The fourth proportional to 29,590.80, 44,313.30 and 19,676.40 is: 29,466.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,590.80 : 44,313.30 = 19,676.40 : x
  2. Step 2: Convert to fraction form
    29,590.80/44,313.30 = 19,676.40/x
  3. Step 3: Cross multiply
    29,590.80x = 44,313.30 × 19,676.40
  4. Step 4: Simplify right side
    29,590.80x = 871,926,216.12
  5. Step 5: Solve for x
    x = 871,926,216.12/29,590.80
  6. Step 6: Final answer
    x = 29,466.13

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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.