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Finding the Fourth Proportional to 27,086.67, 40,647.02 and 11,503.08

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Solution

The fourth proportional to 27,086.67, 40,647.02 and 11,503.08 is: 17,261.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,086.67 : 40,647.02 = 11,503.08 : x
  2. Step 2: Convert to fraction form
    27,086.67/40,647.02 = 11,503.08/x
  3. Step 3: Cross multiply
    27,086.67x = 40,647.02 × 11,503.08
  4. Step 4: Simplify right side
    27,086.67x = 467,565,865.31
  5. Step 5: Solve for x
    x = 467,565,865.31/27,086.67
  6. Step 6: Final answer
    x = 17,261.84

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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.