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Finding the Fourth Proportional to 19,594.69, 29,384.51 and 8,342.89

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Solution

The fourth proportional to 19,594.69, 29,384.51 and 8,342.89 is: 12,511.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,594.69 : 29,384.51 = 8,342.89 : x
  2. Step 2: Convert to fraction form
    19,594.69/29,384.51 = 8,342.89/x
  3. Step 3: Cross multiply
    19,594.69x = 29,384.51 × 8,342.89
  4. Step 4: Simplify right side
    19,594.69x = 245,151,740.36
  5. Step 5: Solve for x
    x = 245,151,740.36/19,594.69
  6. Step 6: Final answer
    x = 12,511.13

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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.