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Finding the Fourth Proportional to 19,866.02, 29,795.70 and 6,011.78

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Solution

The fourth proportional to 19,866.02, 29,795.70 and 6,011.78 is: 9,016.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,866.02 : 29,795.70 = 6,011.78 : x
  2. Step 2: Convert to fraction form
    19,866.02/29,795.70 = 6,011.78/x
  3. Step 3: Cross multiply
    19,866.02x = 29,795.70 × 6,011.78
  4. Step 4: Simplify right side
    19,866.02x = 179,125,193.35
  5. Step 5: Solve for x
    x = 179,125,193.35/19,866.02
  6. Step 6: Final answer
    x = 9,016.66

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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.