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Finding the Fourth Proportional to 5,663.85, 8,495.55 and 1,966.92

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Solution

The fourth proportional to 5,663.85, 8,495.55 and 1,966.92 is: 2,950.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,663.85 : 8,495.55 = 1,966.92 : x
  2. Step 2: Convert to fraction form
    5,663.85/8,495.55 = 1,966.92/x
  3. Step 3: Cross multiply
    5,663.85x = 8,495.55 × 1,966.92
  4. Step 4: Simplify right side
    5,663.85x = 16,710,067.21
  5. Step 5: Solve for x
    x = 16,710,067.21/5,663.85
  6. Step 6: Final answer
    x = 2,950.30

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Similar ratio
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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.