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Finding the Fourth Proportional to 57,995.90, 86,992.68 and 18,553.01

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Solution

The fourth proportional to 57,995.90, 86,992.68 and 18,553.01 is: 27,829.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,995.90 : 86,992.68 = 18,553.01 : x
  2. Step 2: Convert to fraction form
    57,995.90/86,992.68 = 18,553.01/x
  3. Step 3: Cross multiply
    57,995.90x = 86,992.68 × 18,553.01
  4. Step 4: Simplify right side
    57,995.90x = 1,613,976,061.97
  5. Step 5: Solve for x
    x = 1,613,976,061.97/57,995.90
  6. Step 6: Final answer
    x = 27,829.14

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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.