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Finding the Fourth Proportional to 11,609.87, 16,021.62 and 6,304.77

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Solution

The fourth proportional to 11,609.87, 16,021.62 and 6,304.77 is: 8,700.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,609.87 : 16,021.62 = 6,304.77 : x
  2. Step 2: Convert to fraction form
    11,609.87/16,021.62 = 6,304.77/x
  3. Step 3: Cross multiply
    11,609.87x = 16,021.62 × 6,304.77
  4. Step 4: Simplify right side
    11,609.87x = 101,012,629.13
  5. Step 5: Solve for x
    x = 101,012,629.13/11,609.87
  6. Step 6: Final answer
    x = 8,700.59

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.