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Finding the Fourth Proportional to 11,953.67, 17,924.91 and 4,553.51

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Solution

The fourth proportional to 11,953.67, 17,924.91 and 4,553.51 is: 6,828.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,953.67 : 17,924.91 = 4,553.51 : x
  2. Step 2: Convert to fraction form
    11,953.67/17,924.91 = 4,553.51/x
  3. Step 3: Cross multiply
    11,953.67x = 17,924.91 × 4,553.51
  4. Step 4: Simplify right side
    11,953.67x = 81,621,167.31
  5. Step 5: Solve for x
    x = 81,621,167.31/11,953.67
  6. Step 6: Final answer
    x = 6,828.13

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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.