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Finding the Fourth Proportional to 5,353.89, 8,027.88 and 1,655.10

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Solution

The fourth proportional to 5,353.89, 8,027.88 and 1,655.10 is: 2,481.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.89 : 8,027.88 = 1,655.10 : x
  2. Step 2: Convert to fraction form
    5,353.89/8,027.88 = 1,655.10/x
  3. Step 3: Cross multiply
    5,353.89x = 8,027.88 × 1,655.10
  4. Step 4: Simplify right side
    5,353.89x = 13,286,944.19
  5. Step 5: Solve for x
    x = 13,286,944.19/5,353.89
  6. Step 6: Final answer
    x = 2,481.74

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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.