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Finding the Fourth Proportional to 5,675.54, 8,513.30 and 1,779.94

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Solution

The fourth proportional to 5,675.54, 8,513.30 and 1,779.94 is: 2,669.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,675.54 : 8,513.30 = 1,779.94 : x
  2. Step 2: Convert to fraction form
    5,675.54/8,513.30 = 1,779.94/x
  3. Step 3: Cross multiply
    5,675.54x = 8,513.30 × 1,779.94
  4. Step 4: Simplify right side
    5,675.54x = 15,153,163.20
  5. Step 5: Solve for x
    x = 15,153,163.20/5,675.54
  6. Step 6: Final answer
    x = 2,669.91

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Double scale
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Similar ratio
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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.