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Finding the Fourth Proportional to 57,480.96, 86,232.96 and 18,044.16

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Solution

The fourth proportional to 57,480.96, 86,232.96 and 18,044.16 is: 27,069.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,480.96 : 86,232.96 = 18,044.16 : x
  2. Step 2: Convert to fraction form
    57,480.96/86,232.96 = 18,044.16/x
  3. Step 3: Cross multiply
    57,480.96x = 86,232.96 × 18,044.16
  4. Step 4: Simplify right side
    57,480.96x = 1,556,001,327.51
  5. Step 5: Solve for x
    x = 1,556,001,327.51/57,480.96
  6. Step 6: Final answer
    x = 27,069.86

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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.