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Finding the Fourth Proportional to 5,779.96, 8,662.91 and 2,655.61

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Solution

The fourth proportional to 5,779.96, 8,662.91 and 2,655.61 is: 3,980.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.96 : 8,662.91 = 2,655.61 : x
  2. Step 2: Convert to fraction form
    5,779.96/8,662.91 = 2,655.61/x
  3. Step 3: Cross multiply
    5,779.96x = 8,662.91 × 2,655.61
  4. Step 4: Simplify right side
    5,779.96x = 23,005,275.49
  5. Step 5: Solve for x
    x = 23,005,275.49/5,779.96
  6. Step 6: Final answer
    x = 3,980.18

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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.