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Finding the Fourth Proportional to 11,160.70, 16,741.10 and 3,765.22

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Solution

The fourth proportional to 11,160.70, 16,741.10 and 3,765.22 is: 5,647.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,160.70 : 16,741.10 = 3,765.22 : x
  2. Step 2: Convert to fraction form
    11,160.70/16,741.10 = 3,765.22/x
  3. Step 3: Cross multiply
    11,160.70x = 16,741.10 × 3,765.22
  4. Step 4: Simplify right side
    11,160.70x = 63,033,822.01
  5. Step 5: Solve for x
    x = 63,033,822.01/11,160.70
  6. Step 6: Final answer
    x = 5,647.84

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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.