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Finding the Fourth Proportional to 57,642.03, 86,463.05 and 18,202.22

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Solution

The fourth proportional to 57,642.03, 86,463.05 and 18,202.22 is: 27,303.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,642.03 : 86,463.05 = 18,202.22 : x
  2. Step 2: Convert to fraction form
    57,642.03/86,463.05 = 18,202.22/x
  3. Step 3: Cross multiply
    57,642.03x = 86,463.05 × 18,202.22
  4. Step 4: Simplify right side
    57,642.03x = 1,573,819,258.88
  5. Step 5: Solve for x
    x = 1,573,819,258.88/57,642.03
  6. Step 6: Final answer
    x = 27,303.33

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Similar ratio
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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.