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Finding the Fourth Proportional to 19,863.01, 29,749.15 and 9,482.05

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Solution

The fourth proportional to 19,863.01, 29,749.15 and 9,482.05 is: 14,201.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,863.01 : 29,749.15 = 9,482.05 : x
  2. Step 2: Convert to fraction form
    19,863.01/29,749.15 = 9,482.05/x
  3. Step 3: Cross multiply
    19,863.01x = 29,749.15 × 9,482.05
  4. Step 4: Simplify right side
    19,863.01x = 282,082,927.76
  5. Step 5: Solve for x
    x = 282,082,927.76/19,863.01
  6. Step 6: Final answer
    x = 14,201.42

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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.