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Finding the Fourth Proportional to 5,779.60, 8,669.82 and 1,883.84

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Solution

The fourth proportional to 5,779.60, 8,669.82 and 1,883.84 is: 2,825.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.60 : 8,669.82 = 1,883.84 : x
  2. Step 2: Convert to fraction form
    5,779.60/8,669.82 = 1,883.84/x
  3. Step 3: Cross multiply
    5,779.60x = 8,669.82 × 1,883.84
  4. Step 4: Simplify right side
    5,779.60x = 16,332,553.71
  5. Step 5: Solve for x
    x = 16,332,553.71/5,779.60
  6. Step 6: Final answer
    x = 2,825.90

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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.