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Finding the Fourth Proportional to 5,663.85, 8,495.73 and 1,966.02

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Solution

The fourth proportional to 5,663.85, 8,495.73 and 1,966.02 is: 2,949.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,663.85 : 8,495.73 = 1,966.02 : x
  2. Step 2: Convert to fraction form
    5,663.85/8,495.73 = 1,966.02/x
  3. Step 3: Cross multiply
    5,663.85x = 8,495.73 × 1,966.02
  4. Step 4: Simplify right side
    5,663.85x = 16,702,775.09
  5. Step 5: Solve for x
    x = 16,702,775.09/5,663.85
  6. Step 6: Final answer
    x = 2,949.01

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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.