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Finding the Fourth Proportional to 18,301.29, 27,495.72 and 11,740.29

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Solution

The fourth proportional to 18,301.29, 27,495.72 and 11,740.29 is: 17,638.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,301.29 : 27,495.72 = 11,740.29 : x
  2. Step 2: Convert to fraction form
    18,301.29/27,495.72 = 11,740.29/x
  3. Step 3: Cross multiply
    18,301.29x = 27,495.72 × 11,740.29
  4. Step 4: Simplify right side
    18,301.29x = 322,807,726.56
  5. Step 5: Solve for x
    x = 322,807,726.56/18,301.29
  6. Step 6: Final answer
    x = 17,638.52

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1.5x scale

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.