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Finding the Fourth Proportional to 57,483.54, 86,228.96 and 18,042.21

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Solution

The fourth proportional to 57,483.54, 86,228.96 and 18,042.21 is: 27,064.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,483.54 : 86,228.96 = 18,042.21 : x
  2. Step 2: Convert to fraction form
    57,483.54/86,228.96 = 18,042.21/x
  3. Step 3: Cross multiply
    57,483.54x = 86,228.96 × 18,042.21
  4. Step 4: Simplify right side
    57,483.54x = 1,555,760,914.19
  5. Step 5: Solve for x
    x = 1,555,760,914.19/57,483.54
  6. Step 6: Final answer
    x = 27,064.46

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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.