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Finding the Fourth Proportional to 57,471.99, 86,207.91 and 18,032.14

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Solution

The fourth proportional to 57,471.99, 86,207.91 and 18,032.14 is: 27,048.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,471.99 : 86,207.91 = 18,032.14 : x
  2. Step 2: Convert to fraction form
    57,471.99/86,207.91 = 18,032.14/x
  3. Step 3: Cross multiply
    57,471.99x = 86,207.91 × 18,032.14
  4. Step 4: Simplify right side
    57,471.99x = 1,554,513,102.23
  5. Step 5: Solve for x
    x = 1,554,513,102.23/57,471.99
  6. Step 6: Final answer
    x = 27,048.19

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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.