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Finding the Fourth Proportional to 5,663.60, 8,496.31 and 1,968.02

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Solution

The fourth proportional to 5,663.60, 8,496.31 and 1,968.02 is: 2,952.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,663.60 : 8,496.31 = 1,968.02 : x
  2. Step 2: Convert to fraction form
    5,663.60/8,496.31 = 1,968.02/x
  3. Step 3: Cross multiply
    5,663.60x = 8,496.31 × 1,968.02
  4. Step 4: Simplify right side
    5,663.60x = 16,720,908.01
  5. Step 5: Solve for x
    x = 16,720,908.01/5,663.60
  6. Step 6: Final answer
    x = 2,952.35

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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.