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Finding the Fourth Proportional to 5,538.65, 8,303.65 and 2,763.92

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Solution

The fourth proportional to 5,538.65, 8,303.65 and 2,763.92 is: 4,143.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.65 : 8,303.65 = 2,763.92 : x
  2. Step 2: Convert to fraction form
    5,538.65/8,303.65 = 2,763.92/x
  3. Step 3: Cross multiply
    5,538.65x = 8,303.65 × 2,763.92
  4. Step 4: Simplify right side
    5,538.65x = 22,950,638.16
  5. Step 5: Solve for x
    x = 22,950,638.16/5,538.65
  6. Step 6: Final answer
    x = 4,143.73

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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.