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Finding the Fourth Proportional to 7,010.55, 10,515.83 and 4,094.55

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Solution

The fourth proportional to 7,010.55, 10,515.83 and 4,094.55 is: 6,141.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,010.55 : 10,515.83 = 4,094.55 : x
  2. Step 2: Convert to fraction form
    7,010.55/10,515.83 = 4,094.55/x
  3. Step 3: Cross multiply
    7,010.55x = 10,515.83 × 4,094.55
  4. Step 4: Simplify right side
    7,010.55x = 43,057,571.25
  5. Step 5: Solve for x
    x = 43,057,571.25/7,010.55
  6. Step 6: Final answer
    x = 6,141.83

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