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Finding the Fourth Proportional to 12,666.71, 19,004.15 and 6,092.03

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Solution

The fourth proportional to 12,666.71, 19,004.15 and 6,092.03 is: 9,140.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,666.71 : 19,004.15 = 6,092.03 : x
  2. Step 2: Convert to fraction form
    12,666.71/19,004.15 = 6,092.03/x
  3. Step 3: Cross multiply
    12,666.71x = 19,004.15 × 6,092.03
  4. Step 4: Simplify right side
    12,666.71x = 115,773,914.66
  5. Step 5: Solve for x
    x = 115,773,914.66/12,666.71
  6. Step 6: Final answer
    x = 9,140.01

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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.