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Finding the Fourth Proportional to 5,815.35, 8,726.13 and 5,501.75

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Solution

The fourth proportional to 5,815.35, 8,726.13 and 5,501.75 is: 8,255.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.35 : 8,726.13 = 5,501.75 : x
  2. Step 2: Convert to fraction form
    5,815.35/8,726.13 = 5,501.75/x
  3. Step 3: Cross multiply
    5,815.35x = 8,726.13 × 5,501.75
  4. Step 4: Simplify right side
    5,815.35x = 48,008,942.10
  5. Step 5: Solve for x
    x = 48,008,942.10/5,815.35
  6. Step 6: Final answer
    x = 8,255.56

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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.