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Finding the Fourth Proportional to 6,106.66, 9,159.96 and 1,489.66

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Solution

The fourth proportional to 6,106.66, 9,159.96 and 1,489.66 is: 2,234.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,106.66 : 9,159.96 = 1,489.66 : x
  2. Step 2: Convert to fraction form
    6,106.66/9,159.96 = 1,489.66/x
  3. Step 3: Cross multiply
    6,106.66x = 9,159.96 × 1,489.66
  4. Step 4: Simplify right side
    6,106.66x = 13,645,226.01
  5. Step 5: Solve for x
    x = 13,645,226.01/6,106.66
  6. Step 6: Final answer
    x = 2,234.48

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.