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Finding the Fourth Proportional to 19,595.69, 29,386.01 and 8,343.89

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Solution

The fourth proportional to 19,595.69, 29,386.01 and 8,343.89 is: 12,512.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,595.69 : 29,386.01 = 8,343.89 : x
  2. Step 2: Convert to fraction form
    19,595.69/29,386.01 = 8,343.89/x
  3. Step 3: Cross multiply
    19,595.69x = 29,386.01 × 8,343.89
  4. Step 4: Simplify right side
    19,595.69x = 245,193,634.98
  5. Step 5: Solve for x
    x = 245,193,634.98/19,595.69
  6. Step 6: Final answer
    x = 12,512.63

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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.