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Finding the Fourth Proportional to 19,506.17, 26,918.49 and 11,010.08

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Solution

The fourth proportional to 19,506.17, 26,918.49 and 11,010.08 is: 15,193.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,506.17 : 26,918.49 = 11,010.08 : x
  2. Step 2: Convert to fraction form
    19,506.17/26,918.49 = 11,010.08/x
  3. Step 3: Cross multiply
    19,506.17x = 26,918.49 × 11,010.08
  4. Step 4: Simplify right side
    19,506.17x = 296,374,635.07
  5. Step 5: Solve for x
    x = 296,374,635.07/19,506.17
  6. Step 6: Final answer
    x = 15,193.90

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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.