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Finding the Fourth Proportional to 5,739.08, 8,606.46 and 4,520.84

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Solution

The fourth proportional to 5,739.08, 8,606.46 and 4,520.84 is: 6,779.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,739.08 : 8,606.46 = 4,520.84 : x
  2. Step 2: Convert to fraction form
    5,739.08/8,606.46 = 4,520.84/x
  3. Step 3: Cross multiply
    5,739.08x = 8,606.46 × 4,520.84
  4. Step 4: Simplify right side
    5,739.08x = 38,908,428.63
  5. Step 5: Solve for x
    x = 38,908,428.63/5,739.08
  6. Step 6: Final answer
    x = 6,779.56

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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.