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Finding the Fourth Proportional to 19,953.49, 27,535.49 and 11,001.84

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Solution

The fourth proportional to 19,953.49, 27,535.49 and 11,001.84 is: 15,182.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,953.49 : 27,535.49 = 11,001.84 : x
  2. Step 2: Convert to fraction form
    19,953.49/27,535.49 = 11,001.84/x
  3. Step 3: Cross multiply
    19,953.49x = 27,535.49 × 11,001.84
  4. Step 4: Simplify right side
    19,953.49x = 302,940,862.61
  5. Step 5: Solve for x
    x = 302,940,862.61/19,953.49
  6. Step 6: Final answer
    x = 15,182.35

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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.