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Finding the Fourth Proportional to 5,353.93, 8,027.97 and 1,655.47

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Solution

The fourth proportional to 5,353.93, 8,027.97 and 1,655.47 is: 2,482.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.93 : 8,027.97 = 1,655.47 : x
  2. Step 2: Convert to fraction form
    5,353.93/8,027.97 = 1,655.47/x
  3. Step 3: Cross multiply
    5,353.93x = 8,027.97 × 1,655.47
  4. Step 4: Simplify right side
    5,353.93x = 13,290,063.50
  5. Step 5: Solve for x
    x = 13,290,063.50/5,353.93
  6. Step 6: Final answer
    x = 2,482.30

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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.