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Finding the Fourth Proportional to 19,898.19, 29,826.42 and 8,060.37

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Solution

The fourth proportional to 19,898.19, 29,826.42 and 8,060.37 is: 12,082.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,898.19 : 29,826.42 = 8,060.37 : x
  2. Step 2: Convert to fraction form
    19,898.19/29,826.42 = 8,060.37/x
  3. Step 3: Cross multiply
    19,898.19x = 29,826.42 × 8,060.37
  4. Step 4: Simplify right side
    19,898.19x = 240,411,980.98
  5. Step 5: Solve for x
    x = 240,411,980.98/19,898.19
  6. Step 6: Final answer
    x = 12,082.10

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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.