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Finding the Fourth Proportional to 86,548.96, 129,830.73 and 27,383.32

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Solution

The fourth proportional to 86,548.96, 129,830.73 and 27,383.32 is: 41,077.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,548.96 : 129,830.73 = 27,383.32 : x
  2. Step 2: Convert to fraction form
    86,548.96/129,830.73 = 27,383.32/x
  3. Step 3: Cross multiply
    86,548.96x = 129,830.73 × 27,383.32
  4. Step 4: Simplify right side
    86,548.96x = 3,555,196,425.42
  5. Step 5: Solve for x
    x = 3,555,196,425.42/86,548.96
  6. Step 6: Final answer
    x = 41,077.29

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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.