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Finding the Fourth Proportional to 9,063.57, 12,520.35 and 8,590.65

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Solution

The fourth proportional to 9,063.57, 12,520.35 and 8,590.65 is: 11,867.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,063.57 : 12,520.35 = 8,590.65 : x
  2. Step 2: Convert to fraction form
    9,063.57/12,520.35 = 8,590.65/x
  3. Step 3: Cross multiply
    9,063.57x = 12,520.35 × 8,590.65
  4. Step 4: Simplify right side
    9,063.57x = 107,557,944.73
  5. Step 5: Solve for x
    x = 107,557,944.73/9,063.57
  6. Step 6: Final answer
    x = 11,867.06

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Double scale
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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.