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Finding the Fourth Proportional to 5,040.88, 7,561.32 and 1,962.88

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Solution

The fourth proportional to 5,040.88, 7,561.32 and 1,962.88 is: 2,944.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.88 : 7,561.32 = 1,962.88 : x
  2. Step 2: Convert to fraction form
    5,040.88/7,561.32 = 1,962.88/x
  3. Step 3: Cross multiply
    5,040.88x = 7,561.32 × 1,962.88
  4. Step 4: Simplify right side
    5,040.88x = 14,841,926.00
  5. Step 5: Solve for x
    x = 14,841,926.00/5,040.88
  6. Step 6: Final answer
    x = 2,944.32

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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.