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Finding the Fourth Proportional to 19,959.04, 27,543 and 11,006.52

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Solution

The fourth proportional to 19,959.04, 27,543 and 11,006.52 is: 15,188.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,959.04 : 27,543 = 11,006.52 : x
  2. Step 2: Convert to fraction form
    19,959.04/27,543 = 11,006.52/x
  3. Step 3: Cross multiply
    19,959.04x = 27,543 × 11,006.52
  4. Step 4: Simplify right side
    19,959.04x = 303,152,580.36
  5. Step 5: Solve for x
    x = 303,152,580.36/19,959.04
  6. Step 6: Final answer
    x = 15,188.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.