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Finding the Fourth Proportional to 19,702.29, 29,527.93 and 8,001.93

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Solution

The fourth proportional to 19,702.29, 29,527.93 and 8,001.93 is: 11,992.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,702.29 : 29,527.93 = 8,001.93 : x
  2. Step 2: Convert to fraction form
    19,702.29/29,527.93 = 8,001.93/x
  3. Step 3: Cross multiply
    19,702.29x = 29,527.93 × 8,001.93
  4. Step 4: Simplify right side
    19,702.29x = 236,280,428.90
  5. Step 5: Solve for x
    x = 236,280,428.90/19,702.29
  6. Step 6: Final answer
    x = 11,992.54

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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.