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Finding the Fourth Proportional to 6,609.63, 9,894.97 and 5,789.51

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Solution

The fourth proportional to 6,609.63, 9,894.97 and 5,789.51 is: 8,667.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,609.63 : 9,894.97 = 5,789.51 : x
  2. Step 2: Convert to fraction form
    6,609.63/9,894.97 = 5,789.51/x
  3. Step 3: Cross multiply
    6,609.63x = 9,894.97 × 5,789.51
  4. Step 4: Simplify right side
    6,609.63x = 57,286,978.52
  5. Step 5: Solve for x
    x = 57,286,978.52/6,609.63
  6. Step 6: Final answer
    x = 8,667.20

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Half scale
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Double scale
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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.