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Finding the Fourth Proportional to 11,822.59, 17,745.08 and 8,693.07

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Solution

The fourth proportional to 11,822.59, 17,745.08 and 8,693.07 is: 13,047.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,822.59 : 17,745.08 = 8,693.07 : x
  2. Step 2: Convert to fraction form
    11,822.59/17,745.08 = 8,693.07/x
  3. Step 3: Cross multiply
    11,822.59x = 17,745.08 × 8,693.07
  4. Step 4: Simplify right side
    11,822.59x = 154,259,222.60
  5. Step 5: Solve for x
    x = 154,259,222.60/11,822.59
  6. Step 6: Final answer
    x = 13,047.84

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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.