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Finding the Fourth Proportional to 5,307.19, 7,960.78 and 1,844.44

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Solution

The fourth proportional to 5,307.19, 7,960.78 and 1,844.44 is: 2,766.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.19 : 7,960.78 = 1,844.44 : x
  2. Step 2: Convert to fraction form
    5,307.19/7,960.78 = 1,844.44/x
  3. Step 3: Cross multiply
    5,307.19x = 7,960.78 × 1,844.44
  4. Step 4: Simplify right side
    5,307.19x = 14,683,163.47
  5. Step 5: Solve for x
    x = 14,683,163.47/5,307.19
  6. Step 6: Final answer
    x = 2,766.66

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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.