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Finding the Fourth Proportional to 5,779.18, 8,682.62 and 3,703.20

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Solution

The fourth proportional to 5,779.18, 8,682.62 and 3,703.20 is: 5,563.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.18 : 8,682.62 = 3,703.20 : x
  2. Step 2: Convert to fraction form
    5,779.18/8,682.62 = 3,703.20/x
  3. Step 3: Cross multiply
    5,779.18x = 8,682.62 × 3,703.20
  4. Step 4: Simplify right side
    5,779.18x = 32,153,478.38
  5. Step 5: Solve for x
    x = 32,153,478.38/5,779.18
  6. Step 6: Final answer
    x = 5,563.67

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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.