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Finding the Fourth Proportional to 5,779.86, 8,662.60 and 3,004.90

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Solution

The fourth proportional to 5,779.86, 8,662.60 and 3,004.90 is: 4,503.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.86 : 8,662.60 = 3,004.90 : x
  2. Step 2: Convert to fraction form
    5,779.86/8,662.60 = 3,004.90/x
  3. Step 3: Cross multiply
    5,779.86x = 8,662.60 × 3,004.90
  4. Step 4: Simplify right side
    5,779.86x = 26,030,211.94
  5. Step 5: Solve for x
    x = 26,030,211.94/5,779.86
  6. Step 6: Final answer
    x = 4,503.61

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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.