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Finding the Fourth Proportional to 5,347.55, 8,021.05 and 1,837.88

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Solution

The fourth proportional to 5,347.55, 8,021.05 and 1,837.88 is: 2,756.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347.55 : 8,021.05 = 1,837.88 : x
  2. Step 2: Convert to fraction form
    5,347.55/8,021.05 = 1,837.88/x
  3. Step 3: Cross multiply
    5,347.55x = 8,021.05 × 1,837.88
  4. Step 4: Simplify right side
    5,347.55x = 14,741,727.37
  5. Step 5: Solve for x
    x = 14,741,727.37/5,347.55
  6. Step 6: Final answer
    x = 2,756.73

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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.