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Finding the Fourth Proportional to 6,741.54, 10,111.17 and 1,810.77

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Solution

The fourth proportional to 6,741.54, 10,111.17 and 1,810.77 is: 2,715.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,741.54 : 10,111.17 = 1,810.77 : x
  2. Step 2: Convert to fraction form
    6,741.54/10,111.17 = 1,810.77/x
  3. Step 3: Cross multiply
    6,741.54x = 10,111.17 × 1,810.77
  4. Step 4: Simplify right side
    6,741.54x = 18,309,003.30
  5. Step 5: Solve for x
    x = 18,309,003.30/6,741.54
  6. Step 6: Final answer
    x = 2,715.85

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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.